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Technical Details
- 3 in 1: Car Thermometer + Car Digital Alarm Clock + Lead-Acid Battery Monitor
- Date/Second and Time/Date Display, available in 12/24 standard display
- Temperature can be selected in C/F with range of -50C - 70C / -58F -158F
- LED indicator flash light and warns of icy road conditions
- Sampling interval of temperature is 20s to show accruate value.
Product Details
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Product Description
SainSpeed 7045V is a multi-function mini system that can accurately shows temperature inside/outside, date/time(h/m/s) in a dynamic way with alarm snooze function and also monitor the voltage of lead-acid battery.
Customer Reviews
Most Helpful Customer Reviews
1 of 1 people found the following review helpful
Amazon Verified Purchase
For this price point, the quality was decent. The display is clear, the blue backlight isn't quite even, it's brightest in the center and a little dimmer at the edges. It's bright enough without being too bright, good because it can't be dimmed. The only thing I found a little annoying about the display is the backlight leaks out around the edges of the display bezel. The viewing angle from below is limited so if you plan to mount this on an overhead console you have to make sure you can adjust it so you view it head-on.
There are no installation instructions so you have to rely on common sense. FWIW the best place for the sensor is usually under the front bumper in a spot where air will flow over it while driving, but out of direct sunlight and away from radiators. The sensor cord is 9.5 feet long so this might not be possible on larger vehicles. The operating instructions are a joke, one of the absolute worst translations I've ever seen, ("Love to sleep function of 5 minutes.") then again this isn't a complicated device, the functions are basic and intuitive, easy to learn.
The base mounts with sticky tape, you'd be better off replacing this with Velcro. My only real complaint is the accuracy. The unit is less than 20 bucks so I didn't expect perfection but the inside temperature display reads 5 degrees too high which I felt could be better. I bought this primarily for outside temp which was within 1 degree, so I shrug and subtract 5 degrees for the inside. The voltage display was about 0.5v too low across the range. All my measurements were with calibrated lab equipment. I cut off the lighter plug and wired it direct - I noticed there's no fuse. The lighter circuit is fused at a much higher current than a device like this uses so consider it essentially unprotected by a fuse.
Overall, given the price I'm satisfied - I knocked off one star because of the inside temp difference and my other nits.
There are no installation instructions so you have to rely on common sense. FWIW the best place for the sensor is usually under the front bumper in a spot where air will flow over it while driving, but out of direct sunlight and away from radiators. The sensor cord is 9.5 feet long so this might not be possible on larger vehicles. The operating instructions are a joke, one of the absolute worst translations I've ever seen, ("Love to sleep function of 5 minutes.") then again this isn't a complicated device, the functions are basic and intuitive, easy to learn.
The base mounts with sticky tape, you'd be better off replacing this with Velcro. My only real complaint is the accuracy. The unit is less than 20 bucks so I didn't expect perfection but the inside temperature display reads 5 degrees too high which I felt could be better. I bought this primarily for outside temp which was within 1 degree, so I shrug and subtract 5 degrees for the inside. The voltage display was about 0.5v too low across the range. All my measurements were with calibrated lab equipment. I cut off the lighter plug and wired it direct - I noticed there's no fuse. The lighter circuit is fused at a much higher current than a device like this uses so consider it essentially unprotected by a fuse.
Overall, given the price I'm satisfied - I knocked off one star because of the inside temp difference and my other nits.
8 of 12 people found the following review helpful
Amazon Verified Purchase
I bought this when i bought my new car. I am an information junkie. I want to know the temperature inside and outside my car. This does an excellent job of that. In addition it tells me the voltage in the system I have no use for that now but who knows. I might find it handy sometime. The date and time are very nice as well. love it. I had a different gauge in my old car and the outside temperature was not accurate. I knew as I passed business signs with the temperature and they were different by as much as 10 degrees. this one has been right on.
4 of 6 people found the following review helpful
Amazon Verified Purchase
Very easy to use .Great display and I like the clock too.First unit stopped working and I was promptly sent another one.Cant wait to try it .
I will order from your company again because of your great customer service!!!
I will order from your company again because of your great customer service!!!
Most Recent Customer Reviews
SansSpeed Non Computer
Re: SainSpeed 7054V Compact 3-in-1 Car Computer. This item is a piece of junk. I knew immediately upon unpacking it and seeing the paper that it was another cheap Chinese... Read more
Published 12 days ago by Fred
great product, lousy sticky base
I was looking for a small indoor/outdoor thermometer that would work in the car. This item works very well and has the time and voltage in addition. Read more
Published 1 month ago by David H. Bernhauser
Looks like a devise that comes with the car. Also good quality.
I have tried two other portable temperate readers on my truck, but none really fit and easy to read. Read more
Published 2 months ago by B. Li
Great little item
I wasn't expecting much when I bought this, but it's a surprisingly good item. It has a pleasant blue back light, tells the voltage output, inside & outside temp & has a clock. Read more
Published 2 months ago by Andrew P. St Laurent
Nice Gauge.
Just what I was looking for. Does the job. I recommend this item too anyone. easy to install and go. display is bright and readable.
Published 2 months ago by gj
Cool product
I bought this because my Kei truck doesn't have a clock and I like to know what the temp is out side while driving. Read more
Published 3 months ago by CTS eMsItIseY
Great little gadget
Installed the unit this am and have used it while driving today.. was easy to install and the temp display seems to be quite accurate. Read more
Published 3 months ago by redtr4
not worth the aggravation
I purchased this product based on the reviews and the fact it was not too pricey. Herein lies the issue, there are no installation instructions. Read more
Published 4 months ago by Silver Traveler
Excellent piece of equipment.
This product is exactly what it says and does exactly what is says. It is compact in size, well thought out and very clear and easy to read. Read more
Published 4 months ago by Dale M. Moulton
used in RV
was shopping for volt meter for monitoring batteries on my RV, thought "why not get some extras" installed it in the kitchen of the RV works great..
Published 5 months ago by fire flunky
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