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REOLINK RLK8-800B4 4K Security Camera System - H.265 4pcs 4K PoE Security Cameras Wired with Person Vehicle Detection, 8MP/4K 8CH NVR with 2TB HDD for 24-7 Recording
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Purchase options and add-ons
Brand | REOLINK |
Connectivity Technology | Wired |
Video Capture Resolution | 4K UHD 2162p, 8MP |
Special Feature | Easy to Install, Waterproof, Vehicle Detection, Adjustable, Motion Sensor |
Number of Channels | 8 |
About this item
- 4K Ultra HD – Reolink 4K Ultra HD (8MP) PoE camera delivers almost 4 times the clarity of 1080p. Our complete camera system provides users vivid resolution, even when you digitally zoom in. Any flaw or distortion you’ve encountered before has been eliminated, ensuring you the highest quality view of your surroundings.
- Person/Vehicle Detection – Smart PoE IP cameras can identify people and vehicles in terms of their shapes, minimizing unwanted alerts such as animals or shadows. Cameras can also be configured to specify the type of detection when sending alerts to you. Know what happened simply by glancing at the lock screen.
- Plug and Play PoE System – A simple PoE connection makes it easier to set-up and install your home security camera system. With a single network cable, stretching up to 330ft, users can enjoy smooth security coverage of their entire house. This is perfect for both beginners and DIY camera enthusiasts.
- Continuous 24/7 Recording – With a pre-installed 2TB HDD, users are provided reliable 24/7 recording. You can also install an external hard drive (up to 6TB) for backup storage.
- 2 Year Warranty – Users are provided with a lifetime tech support and a 2-year warranty. Simply contact Reolink tech support via e-mails and Amazon Message, and we will replace any defected or broken products.
There is a newer model of this item:

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- Reolink 4K PoE Security Camera System Bundle, 6pcs 4K/8MP IP Cameras, a 8CH NVR Pre-Installed with 2TB HDD(Include 4 x 18M Cat5 Cable)$629.99$629.99 $789.97$789.97This bundle contains 3 items
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Product Description

RLK8-800B4
Make Security Easier with No Compromise
Reolink Smart 4K Ultra-HD Security Camera System with Person & Vehicle Detection

Great Details in 4K Ultra HD, Peaceful 24/7
4K Ultra-HD video clarity helps keep all the details sharp day and night. Reliable NVR local storage and Reolink software allows checking anytime anywhere you want.
Smart Motion Detection

Smart Detection, Identify True Threats
Smart detection of people and vehicles filters out unwanted alerts such as those triggered by bugs and leaves. Save your time and energy over general motion detection. You can also set and apply general motion detection or 24/7 recording as needed.

Instant Push, Take Actions Timely
A prompt email & push notification will be sent to users’ smart devices once moving objects are detected, allowing for quick action. Buzzer in the NVR will alert you and FTP uploading will also be underway for backup. Free shared access allows your colleagues or family for surveillance together.
Reolink Smart 4K PoE Surveillance Camera System Specifications
NVR | Smart PoE Video Recorder |
Video Outputs | Up to 12MP for HDMI and 1080P for VGA |
Synchronous Playback | 1CH@8MP; 4CH@4MP |
Frame Rate | 20fps |
Compression Format | H.265 |
HDD Capacity | 1× internal port, 1× external port, 6TB max for each port(12TB in total) |
Remote Access | iOS/Android Phone, Windows/Mac PC |
Working Temperature | -10°C +45°C (14°-113°F) |
Camera Waterproof | IP66 |
Video Resolution | 3840x2160 (8.0 Megapixels) @20FPS |
Lens | f=4.0 mm fixed; F=2.0, with IR-cut filter |
Night Vision | 100ft, 18pcs IR LEDs |
Audio | Built-in Microphone for Audio Recording only |
Field of View | Horizontal: 87°; Vertical: 44° |
Notice | Cameras in the kit can only be used with Reolink PoE NVR. Cameras in the kit cannot work with Alexa or Google Home. |
Reolink PoE Security Camera System
![]() RLK8-800B4 | ![]() RLK8-810B4-A (Black) | ![]() RLK8-1200B4-A | ![]() RLK8-800B6 | ![]() RLK16-800B8 | ![]() RLK8-800D4 | ![]() RLK16-800D8 | |
Resolution
| 8MP | 8MP | 12MP | 8MP | 8MP | 8MP | 8MP |
Channel
| 8 Channels | 8 Channels | 8 Channels | 8 Channels | 16 Channels | 8 Channels | 16 Channels |
HDD Pre-installed
| 2TB | 2TB | 2TB | 2TB | 4TB | 2TB | 4TB |
HDD Capacity
| 6TB max Each, 12TB Total | 6TB max Each, 12TB Total | 6TB max Each, 12TB Total | 6TB max Each, 12TB Total | 6TB max Each, 12TB Total | 6TB max Each, 12TB Total | 6TB max Each, 12TB Total |
Ports for HDD
| SATA*1, e-SATA*1 | SATA*1, e-SATA*1 | SATA*1, e-SATA*1 | SATA*1, e-SATA*1 | SATA*2 | SATA*1, e-SATA*1 | SATA*2 |
Smart Detection
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Remote Access
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Camera Supported
| PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras | PoE & Plug-in WIFI Cameras |
Videos
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Customer Review: Best 4K system for the price!
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RLK8-800B4 Unboxing & Setup
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Product information
Brand | REOLINK |
---|---|
Connectivity Technology | Wired |
Video Capture Resolution | 4K UHD 2162p, 8MP |
Special Feature | Easy to Install, Waterproof, Vehicle Detection, Adjustable, Motion Sensor |
Number of Channels | 8 |
Memory Storage Capacity | 2 TB |
Color | White |
Power Source | DC |
Item Dimensions LxWxH | 14.76 x 7.68 x 11.42 inches |
Operating System | iOS, Android, Windows, Mac OS |
Compatible Devices | Smartphones, Personal Computers, Tablets, Laptops, Cameras |
Signal Format | Digital |
Other camera features | Rear, Front |
Night Vision Range | 100 Feet |
Frame Rate | 20fps |
Optical Sensor Technology | CMOS |
Hardware Interface | VGA, Infrared, Ethernet, FireWire eSATA, HDMI |
Lens Type | Fixed |
Viewing Angle | 87 Degrees |
Product Dimensions | 14.76 x 7.68 x 11.42 inches |
Item Weight | 13.99 pounds |
ASIN | B07K734ZTW |
Item model number | RLK8-800B4 |
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #1 in Surveillance NVR Kits |
Is Discontinued By Manufacturer | No |
Date First Available | November 3, 2018 |
Manufacturer | Reolink Digital |
Warranty & Support
Feedback
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on Amazon
Reviewed in the United States on May 18, 2020
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Top reviews from the United States
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The only reason I am giving 4 stars rather than 5 is, the push notifications from the motion detection are infuriating. You really can't stop them without eliminating 99% of the motion recording triggers. Which results in essentially NO motion recording.
SETUP:
Setup was very simple, these systems are quite literally plug and play. Definitely bench test all the cameras together BEFORE installing to avoid wasting a bunch of time mounting it and then discovering that you have a problem. The most difficult part after you have selected the mounting sites is running the cables. If you intend to run the cables in walls or even up through the eves into an attic you need an electrician’s fiberglass cable poles ($12 at harbor freight for the 33' set). Plan on spending a full day running the wires if you are making your own and about half the day if you are using the included CAT5 (Seriously REOLINK its 2020, at least bump it up to CAT6). This is the second one of these Reolink systems I have installed on my own. I installed the older 4MP system at a relative’s home a few years back, which is still working flawlessly (no HDD issues 24/7 recording).
MY QUALITY PROBLEM:
However; between then and now I think the quality of parts that Reolink is receiving from their suppliers has declined. The main problem I ran into was that the POE/LAN ports on both the cameras and the NVR were a bit too large which made for a loose connection. This caused me headache for about a week as I chased my tail reconnecting and resetting cameras that had lost connection (never power, just connection, the IR lights would be on at night). I finally realized that the plug was moving side to side and had a lot of in/out slack too. So I replaced the standard plastic ends on the cables I originally installed (I never use the supplied cable, I ran all my own shielded cat6 = shorter runs and better signal quality) with a shielded end with a metal shroud around it (slightly larger physically in all directions) which eliminated the slack and thus my connectivity issue.
CUSTOMER SERVICE:
This whole time I was also working with Reolink customer support. While they were very polite and responsive (usually no more than 24hrs) I could tell that they weren't actually READING/Comprehending my emails, the steps I had already taken, or my description of the issue. The responses seemed very canned with no real interest in working the problem or investigating the possibility of a poor quality manufacturing run. These are not really techs but more like call centers they are just selecting responses from a dropdown menu in a troubleshooting program. They want to help and keep you as a customer but may not always know how.
SOFTWARE:
Their NVR, apps and client software are very user friendly and work well. With scalable quality options you should not have any issues reviewing footage remotely.
MOTION DETECTION:
I did find that the motion detection settings were confusing across all the platforms, all the setting options are listed differently (setting sliders reversed, high on the NVR = low on the phone app) as well as the motion detection ability in general. Reolink uses a Pixel based motion detection system based in the software rather than a PIR (Passive Infrared) sensor. This is great for an indoor setup where there are not many shadows or the shadows are stationary. However, in an outside setting where things like trees and clouds cast moving shadows all day you end up with A LOT of motion alert footage and push notifications on your phone. I just wish there was a setting to where the NVR still marks motion events in the playback log but you could set a schedule where no push notifications are sent.
FRAME RATE:
Three of the captured shots I posted were taken from the RLC-511 5MP which I added in an attempt to have a sort of LPR (License Plate Reader), unfortunately the frame rate (25 FPS) is not fast enough to truly capture a moving vehicle; slow and stationary vehicles it does a great job, and at the very least I can get a fairly decent vehicle description if needed. The 4K cameras are even slower at 20 FPS which means anything moving faster than a brisk jog will start to experience motion blur and it is about 1.5x worse at night. @REOLINK please add/develop a 5MP or 4K camera with a 60 FPS frame rate (preferably with 5-8x optical zoom) and an NVR that can handle it, or firmware update if that is what’s needed, to function as a LPR/ vehicle capture camera.
NIGHT VISION:
As you can see from the photos the night vision is pretty good, resolution is high. I do wish there was an option to adjust the brightness of the IR LEDs or to disable a portion of them; in order to reduce glare from things like nearby walls, license plates and reflective surfaces. I would like to see an invisible option added to the cameras they sell; whereas the available IR wavelength would be in the 930nM to 1000nM range, well outside of the human visible spectrum so that one can hide the cameras in the dark without the “ Floating Red Eye”. It would slightly reduce the effective range but would really help when your goal is to catch a group of criminals in the act rather than deter them.
AUDIO QUALITY:
The audio quality recorded by the 4K cameras is excellent. You can pick up planes overhead, distant sirens, not so distant gunshots (shooting range about 3/4 mile away), passing vehicles, normal conversation from people walking on the street about 25 to 30 feet away, kids sneaking up on each other playing hide and go seek (stealth has yet to be mastered by my kids), birds chirping, dogs barking, bugs bugging and even neighbors doing naughty adult neighbor things with the window open at 11:33pm.
HDD CAPACITY:
At present, I am only using the 2TB internal HDD in the NVR. With the 4- 4K cameras it came with recording 24/7 with audio, and the one additional 5MP with audio turned off camera I am able to store/review 131 hrs. or just under 5.5 days (5.458 days). I will revisit this portion of the review in a few months once I figure out if I can expand the storage beyond the 8TB total capacity that Reolink lists using a RAID 1/0 setup in a 4 bay enclosure using either the eSATA connection or ideally setting it up as a NAS cloud.
OFF-BRAND COMPATIBILITY:
This is the one area that REOLINK falls short. For starters their products are proprietary rather than ONVIF compliant. This means that their NVR and app refuse to recognize nearly all cameras besides their own (there are a select few that have been found to kinda work but can also cause issues in the app and with playback). While I understand this from a business continuity standpoint, as well as making troubleshooting simpler. I feel that their system should be able to work with other products that REOLINK doesn't currently offer. Such as a POE video doorbell, Thermal/FLIR cameras, or a panoramic fisheye.
ADD-ON’s:
I VERY strongly suggest pairing this with a Battery backup/surge protector. One that is large enough to keep the system running for 15-20 minutes is less than $50. This is the one I use: https://www.amazon.com/gp/product/B01HDC236Q/ref=ppx_yo_dt_b_asin_title_o08_s01?ie=UTF8&psc=1
In the event of a power outage from a bad storm or bad actors (criminals) your system will keep recording for a while longer. Which might just come in handy if say, a tree branch falls and damages something, in this case the side of the pool, as a result of the storm that also killed the power. Or, say a group of vehicle burglars knock out power to most of the neighborhood at 1am to disable as many security systems, motion lights, street lights and cameras (most Wi-Fi cameras become essentially useless if you lose internet/Wi-Fi) as possible while they work (happened in my neighborhood).
IN SUMMARY:
Despite what I wish this system had or was capable of, or how I think it should be setup; I 100% received what I paid for and what was described. Reolink did not mislead with any of their claims or descriptions. Overall the kit is top of the line against its competitors in terms of Image quality, ease of setup, ease of use, software functionality & customer service (not necessarily knowledge).
If you are on the fence I say GO FOR IT! At the end of the day the core purpose of a system like this is to provide the maximum amount of evidence to the police in the event that a crime is committed against you, your property or anything within the view of the cameras. This system does that 24/7- 365. It never sleeps and, as long as you point the cameras in the right direction, is always watching your back.
If you are on the fence, I say GO FOR IT! At the end of the day the core purpose of a system like this is to provide the maximum amount of evidence to the police in the event that a crime is committed against you, your property or anything within the view of the cameras. This system does that like a champ, 24/7- 365. It never sleeps and, as long as you point the cameras in the right direction, is always watching your back.

Reviewed in the United States 🇺🇸 on May 18, 2020
The only reason I am giving 4 stars rather than 5 is, the push notifications from the motion detection are infuriating. You really can't stop them without eliminating 99% of the motion recording triggers. Which results in essentially NO motion recording.
SETUP:
Setup was very simple, these systems are quite literally plug and play. Definitely bench test all the cameras together BEFORE installing to avoid wasting a bunch of time mounting it and then discovering that you have a problem. The most difficult part after you have selected the mounting sites is running the cables. If you intend to run the cables in walls or even up through the eves into an attic you need an electrician’s fiberglass cable poles ($12 at harbor freight for the 33' set). Plan on spending a full day running the wires if you are making your own and about half the day if you are using the included CAT5 (Seriously REOLINK its 2020, at least bump it up to CAT6). This is the second one of these Reolink systems I have installed on my own. I installed the older 4MP system at a relative’s home a few years back, which is still working flawlessly (no HDD issues 24/7 recording).
MY QUALITY PROBLEM:
However; between then and now I think the quality of parts that Reolink is receiving from their suppliers has declined. The main problem I ran into was that the POE/LAN ports on both the cameras and the NVR were a bit too large which made for a loose connection. This caused me headache for about a week as I chased my tail reconnecting and resetting cameras that had lost connection (never power, just connection, the IR lights would be on at night). I finally realized that the plug was moving side to side and had a lot of in/out slack too. So I replaced the standard plastic ends on the cables I originally installed (I never use the supplied cable, I ran all my own shielded cat6 = shorter runs and better signal quality) with a shielded end with a metal shroud around it (slightly larger physically in all directions) which eliminated the slack and thus my connectivity issue.
CUSTOMER SERVICE:
This whole time I was also working with Reolink customer support. While they were very polite and responsive (usually no more than 24hrs) I could tell that they weren't actually READING/Comprehending my emails, the steps I had already taken, or my description of the issue. The responses seemed very canned with no real interest in working the problem or investigating the possibility of a poor quality manufacturing run. These are not really techs but more like call centers they are just selecting responses from a dropdown menu in a troubleshooting program. They want to help and keep you as a customer but may not always know how.
SOFTWARE:
Their NVR, apps and client software are very user friendly and work well. With scalable quality options you should not have any issues reviewing footage remotely.
MOTION DETECTION:
I did find that the motion detection settings were confusing across all the platforms, all the setting options are listed differently (setting sliders reversed, high on the NVR = low on the phone app) as well as the motion detection ability in general. Reolink uses a Pixel based motion detection system based in the software rather than a PIR (Passive Infrared) sensor. This is great for an indoor setup where there are not many shadows or the shadows are stationary. However, in an outside setting where things like trees and clouds cast moving shadows all day you end up with A LOT of motion alert footage and push notifications on your phone. I just wish there was a setting to where the NVR still marks motion events in the playback log but you could set a schedule where no push notifications are sent.
FRAME RATE:
Three of the captured shots I posted were taken from the RLC-511 5MP which I added in an attempt to have a sort of LPR (License Plate Reader), unfortunately the frame rate (25 FPS) is not fast enough to truly capture a moving vehicle; slow and stationary vehicles it does a great job, and at the very least I can get a fairly decent vehicle description if needed. The 4K cameras are even slower at 20 FPS which means anything moving faster than a brisk jog will start to experience motion blur and it is about 1.5x worse at night. @REOLINK please add/develop a 5MP or 4K camera with a 60 FPS frame rate (preferably with 5-8x optical zoom) and an NVR that can handle it, or firmware update if that is what’s needed, to function as a LPR/ vehicle capture camera.
NIGHT VISION:
As you can see from the photos the night vision is pretty good, resolution is high. I do wish there was an option to adjust the brightness of the IR LEDs or to disable a portion of them; in order to reduce glare from things like nearby walls, license plates and reflective surfaces. I would like to see an invisible option added to the cameras they sell; whereas the available IR wavelength would be in the 930nM to 1000nM range, well outside of the human visible spectrum so that one can hide the cameras in the dark without the “ Floating Red Eye”. It would slightly reduce the effective range but would really help when your goal is to catch a group of criminals in the act rather than deter them.
AUDIO QUALITY:
The audio quality recorded by the 4K cameras is excellent. You can pick up planes overhead, distant sirens, not so distant gunshots (shooting range about 3/4 mile away), passing vehicles, normal conversation from people walking on the street about 25 to 30 feet away, kids sneaking up on each other playing hide and go seek (stealth has yet to be mastered by my kids), birds chirping, dogs barking, bugs bugging and even neighbors doing naughty adult neighbor things with the window open at 11:33pm.
HDD CAPACITY:
At present, I am only using the 2TB internal HDD in the NVR. With the 4- 4K cameras it came with recording 24/7 with audio, and the one additional 5MP with audio turned off camera I am able to store/review 131 hrs. or just under 5.5 days (5.458 days). I will revisit this portion of the review in a few months once I figure out if I can expand the storage beyond the 8TB total capacity that Reolink lists using a RAID 1/0 setup in a 4 bay enclosure using either the eSATA connection or ideally setting it up as a NAS cloud.
OFF-BRAND COMPATIBILITY:
This is the one area that REOLINK falls short. For starters their products are proprietary rather than ONVIF compliant. This means that their NVR and app refuse to recognize nearly all cameras besides their own (there are a select few that have been found to kinda work but can also cause issues in the app and with playback). While I understand this from a business continuity standpoint, as well as making troubleshooting simpler. I feel that their system should be able to work with other products that REOLINK doesn't currently offer. Such as a POE video doorbell, Thermal/FLIR cameras, or a panoramic fisheye.
ADD-ON’s:
I VERY strongly suggest pairing this with a Battery backup/surge protector. One that is large enough to keep the system running for 15-20 minutes is less than $50. This is the one I use: https://www.amazon.com/gp/product/B01HDC236Q/ref=ppx_yo_dt_b_asin_title_o08_s01?ie=UTF8&psc=1
In the event of a power outage from a bad storm or bad actors (criminals) your system will keep recording for a while longer. Which might just come in handy if say, a tree branch falls and damages something, in this case the side of the pool, as a result of the storm that also killed the power. Or, say a group of vehicle burglars knock out power to most of the neighborhood at 1am to disable as many security systems, motion lights, street lights and cameras (most Wi-Fi cameras become essentially useless if you lose internet/Wi-Fi) as possible while they work (happened in my neighborhood).
IN SUMMARY:
Despite what I wish this system had or was capable of, or how I think it should be setup; I 100% received what I paid for and what was described. Reolink did not mislead with any of their claims or descriptions. Overall the kit is top of the line against its competitors in terms of Image quality, ease of setup, ease of use, software functionality & customer service (not necessarily knowledge).
If you are on the fence I say GO FOR IT! At the end of the day the core purpose of a system like this is to provide the maximum amount of evidence to the police in the event that a crime is committed against you, your property or anything within the view of the cameras. This system does that 24/7- 365. It never sleeps and, as long as you point the cameras in the right direction, is always watching your back.
If you are on the fence, I say GO FOR IT! At the end of the day the core purpose of a system like this is to provide the maximum amount of evidence to the police in the event that a crime is committed against you, your property or anything within the view of the cameras. This system does that like a champ, 24/7- 365. It never sleeps and, as long as you point the cameras in the right direction, is always watching your back.







UPDATE: 8/28/19:
The system is running great! Since I replaced the hard drive with a WD 4TB drive it's been running nonstop -- without any reboots, and haven't noticed anymore choppy video! It's amazing how cool this runs 24/7 without a fan, too! So quiet!!! While we were out of the country on vacation we were able to keep an eye on our property and house from our phone and laptop! We are so glad we went with Reolink rather than the other brand we had considered. Their customer support has been excellent!
UPDATE: 8/8/19:
It seems that something on or near my house is causing the white pixels on the one camera. Nobody is able to figure this one out! If I move this cam to a different place it works fine. Weird! HOWEVER, a new problem has just been discovered. There was some video footage that appeared messed up (frames scrambled, skipping, etc.). Not sure if the hard drive is failing or can't handle all the read/writes. But I reformatted it and will have to keep an eye on it. AND NOW for another problem I found after only having this system up for about 10 days. The NVR is constantly rebooting itself !!! It just restarts at random times, even 4 times in one hour during the busiest part of the day! It has restarted when I was looking at the live views or looking at settings. I'm starting to wonder if this NVR can't handle 4 cameras recording (I have 3 of the 8MP and a 5MP hooked up so far). I am in contact with Reolink about these problems, and hopefully they can be resolved, as I paid too much for a defective NVR. I will post an update and adjust my star rating according to the outcome of this.
UPDATE: 8/5/19
So far all is running well except one camera has a bunch of white specs (stuck pixels) all over it, which are mostly noticeable at night -- very annoying!!! Also the night vision on that camera looks terrible, and blurry compared to the other cameras. I will definitely need to return that camera. I will keep you posted on the outcome with Reolink, and/or any other issues that arise. The other 3 cams look great, though.
ORIGINAL REVIEW: 7/26/19
We got this system up and running easily, with 2 cameras so far, and it looks very impressive. After a couple days, the monitor said "No Signal" and we could not view anything, except it worked fine via the mobile app and desktop client software for Windows. After trying everything (powering it off/on a few times, tried another monitor and even another cable, with no luck!), I assumed the video output was dead because neither the HDMI nor the VGA worked. Then I noticed in the desktop client that the NVR output had somehow set itself to 4K resolution, when we were using an old temporary monitor that cannot handle 4K. This was not the original setting I chose, and it previously worked fine. So I'm not sure how or why the system reset itself to 4K. But as soon as I corrected this setting, the video output is back. Yay!!!!! I will now have to cancel the ticket I put in w/ Reolink since the problem is resolved. But just be aware that this can somehow happen, and how to resolve it. I am SO happy that I don't have to ship it back!
The NVR is awesome. It is a nice compact size, lightweight, quiet, and even though there is no fan it doesn't seem to get very hot at all. Motion detection takes a little tweaking (you have to experiment with your own particular situation to see what works best), but once you get it dialed in it works great. It does pick up birds, bugs flying around at night or heavy rain though, but no way to avoid that I guess. I'd rather have it record too much than not enough. Night vision is excellent -- the best I've ever seen! Both the mobile app and desktop client work well, and with the mobile app I can view the cameras even when I am not home. We have all the camera wiring going to the basement and the cameras plug into a Netgear 8-port POE/POE+ switch. The POE switch is then connected via Cat6 cable to the NVR upstairs (the POE switch is not directly connected to the network itself though, to keep the traffic separated). The NVR sees all the cameras, and assigns them their own IP addresses (172.xxx.xx.xx), so they are "in their own little world". This setup works great, and there is no lag at all. We also have a cheap 1080p camera inside the house to keep an eye on our pets, which the NVR sees as well (ONVIF), and it works great (although that camera's features and settings are only available through the camera's own app (not from the NVR or the Reolink app), and it doesn't seem to record that camera's video, but no problem - we're just using that cam as view only to check in on the pets). I just love this system... we are so glad we went with Reolink!