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First Alert SA302CN Double Sensor Battery-Powered Smoke and Fire Alarm

3.8 out of 5 stars 148 customer reviews

Price: $65.00 & FREE Shipping. Details
Only 1 left in stock.
Sold by EPIPHANY-XPRESS PRODUCTS and Fulfilled by Amazon. Gift-wrap available.
Include installation | Estimate $57.95 | ZIP
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  • Unpacking/inspecting customer-supplied detector
  • Mounting 1 detector in current location
  • Completing unit test cycle
  • Demonstrating proper usage and maintenance
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Estimate: $57.95
100% positive ratings (1 reviews)
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  • Dual sensing ionization and photoelectric battery-operated smoke alarm
  • Intelligent sensing technology reduces nuisance alarms
  • Tamper resistant
  • Low battery warning with one-button silence and test feature
  • 9-volt battery included; 10-year limited warranty
7 new from $65.00

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$65.00 & FREE Shipping. Details Only 1 left in stock. Sold by EPIPHANY-XPRESS PRODUCTS and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • First Alert SA302CN Double Sensor Battery-Powered Smoke and Fire Alarm
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Total price: $94.91
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Product Description

Amazon.com

No one wants to think about a fire in their home, but being prepared and recognizing signs of danger early can help keep you and your family alive and safe. The First Alert SA302CN Double Sensor Battery-Powered Smoke and Fire Alarm is equipped to detect smoke particles caused by both flaming and smoldering fires. For convenience, it allows you to mute false alarms remotely using any remote control and without compromising the alarm's functionality.


The First Alert Double Sensor Smoke and Fire Alarm:
  • Detects both flaming and smoldering fires with dual sensors.
  • Lets you mute false alarms with a remote control.
  • Emits a loud 85 dB alarm for ample warning.
  • Minimizes false alarms by detecting differences between real emergencies and non-threatening conditions.




Click here to find the fire safety legislation in your state.
Dual Sensor Technology For Maximum Protection
While all smoke alarms are designed to detect smoke, different sensing technologies react differently to certain types of fires. This alarm makes use of both ionization and photoelectric sensors to offer the earliest possible warning--regardless of the type of fire.

Sometimes a fire can smolder for hours before erupting into flames. Photoelectric Sensing Technology is more sensitive than Ionization Sensing Technology at detecting these sorts of smoldering fires, like those caused by cigarettes burning in couches or bedding.

Other fires erupt into flames quickly, like kitchen grease fires or fires fueled by paper burning in a wastebasket. Ionization Sensing Technology is generally more sensitive than Photoelectric Sensing Technology at detecting these sorts of flaming fires.

Loud Alarm and Reliable Construction for Peace of Mind
The loud, 85 dB alarm gets your attention quickly, so you can get out quickly or contain a minor fire before it spreads. Plus the smart dual sensor helps the detector recognize the difference between non-threatening conditions and real emergencies, so false alarms are minimized.

This smoke detector meets the UL 217 standard for dual-sensor home smoke detectors, which means that it has passed tough quality-assurance tests and can be depended on to offer reliable protection.

Remote Mute and Easy Battery Access for Safety and Convenience
To mute unnecessary alarms instantly, you can simply point almost any household remote control at the detector and click mute--whether the remote is for your TV, stereo, DVD player, or another appliance. The convenience of this feature means that something as simple as burnt toast never tempts you to take the battery out of your smoke detector and create an unsafe situation in your home. The mute button can also be used to test the alarm function, helping you ensure that your home and family are always protected.

This smoke detector is powered by a standard 9V battery (included). And, because a smoke detector is only effective if it is properly maintained, you'll appreciate that the EZ access battery door means there's no need to remove the alarm from your ceiling when it's time to change the battery.

This smoke detector's neutral, white finish blends in with your décor, and the unit measures just 5.7 x 5.7 x 2.8 inches. It is backed by a limited 10 year warranty.

About First Alert
Organized in 1958 and recognized as a leading manufacturer of smoke alarms, carbon monoxide detectors, and fire extinguishers, First Alert designs and creates safety products that preserve and protect the things that are the most import to you, from your children and family to your home and the priceless memories stored inside.

What's in the Box
First Alert SA302CN Double Sensor Battery-Powered Smoke and Fire Alarm and 9V battery.



Place fire alarms on every level of your home.


Product Information

Technical Details

Part Number SA302CN
Item Weight 15.2 ounces
Product Dimensions 6 x 6 x 1 inches
California residents Click here for Proposition 65 warning
Item model number SA302CN
Discontinued by manufacturer Yes
Power Source battery-powered
Item Package Quantity 1
Batteries Included? No
Batteries Required? No
Warranty Description 10 year

Technical Specification

Additional Information

ASIN B000066OC9
Customer Reviews
3.8 out of 5 stars 148 customer reviews

3.8 out of 5 stars
Best Sellers Rank #261,156 in Home Improvements (See top 100)
#87 in Musical Instruments > Drums & Percussion > Electronic Drums > Drum Sets
#421 in Home Improvement > Safety & Security > Fire Safety > Smoke Detectors & Fire Alarms
#1,143 in Home Improvement > Safety & Security > Household Sensors & Alarms
Shipping Weight 12.8 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available January 1, 2008

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By G. Ellis on July 5, 2007
Verified Purchase
For those with this model and having problems with the remote test feature, there is an undocumented way to turn it off. When you insert the battery press and hold the test button while doing so. If you want to use the feature simply insert the battery without pressing the test button. If you desire more proof, call the First Alert customer service at 800-323-9005.
5 Comments 108 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Up until now I've only lived in houses with the usual smattering of random low-end smoke detectors. This smoke detector puts all of them to shame.

Installation is incredibly easy. The smoke detector separates from the base with a light twist (not the usual yanking or bending that always has me convinced I'm about to break the thing). The mounting base is really light, which is nice when your standing on a chair and pressing it to the ceiling above your head. There are two long channels for placing the two screws that hold it up, which gives you a decent amount of error margin. If you're replacing an existing smoke detector, sometimes you can even use both original holes.

First Alert also put some thought into battery replacement. The battery compartment is a dedicated slot that swings out from the side. It's easy to open and close and keyed so it won't close properly if you put the battery in backwards. Although the battery is a standard 9V, the smoke detector uses pressure clips (like you'd find with AAs) rather than the standard snap-in design which requires more forcing.

The remote silencer/test feature is great. Basically you hold down the volume or channel controls from your TV remote to silence or test the detector. This makes this smoke detector ideal for kitchens and rooms with high ceilings since you can silence it without having to get out a stool.

One drawback of the remote feature is that if you have a bedroom or kitchen with a TV in it, you probably shouldn't buy this smoke detector for that room. Before we installed them, I had the detectors on a side table in the living room and managed to accidentally set off their test modes while using the remote to operate the TV.
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This is supposed to be one of the best rated dual sensor smoke detectors on the market. I have 5 of them.

The image shown here is either an old version or just the wrong version. In actuality, these detectors are much better looking. they are actually very round or domed. They also are rather tall, hanging lower from the ceiling than some. I don't mind since they don't look bad and they're rated well. You should check First Alerts website if you want to see what these really look like and haven't seen them.

The other detector that is rated similar to this is a Kidde Nighthawk brand. But it's reported to have more false alarms so I went with this one. I like the looks of this First Alert better, but that's just my opinion.

The photoelectric sensor uses a beam of light that sets off the alarm when broken by smoke. hence the term "smoldering". The ionization sensor is for the detection of flaming fires.

I think you'd have less time to react if the flames are already shooting that's why I like the idea of having a photoelectric cell. If a small fire starts, some smoke would be given off and set off the alarm before it got really big giving you hopefully more of a warning and more time. At least that's what I believe.

If this is in the kitchen as is mine and if you cook without a range hood drawing the smoke this detector would go off. If you toast on the dark side without a range hood pulling some smoke the detector would go off. I don't think of those as false alarms I think it's a testement to the sensitivity of the photoelectric detector which I like.

The alarm is quite loud.
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3 Comments 114 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I have six of the older model and had to buy a new one (one > 10yrs old and ionization wears out. Was falsing even with new battery). The new model has a new feature that allows you to use a common remote to quiet (temp, for low battery or problem alarm) *or* for testing. But I found the latter "feature" (set off test) to be a *big* problem since it means that you can't use it in any room with a TV, stero, etc. with a remote. The family was constantly setting it off when changing the volume on the TV... Even covering the sensor hole *or* opening the unit and covering the actual sensor (with black electrical tape) wouldn't stop this (light getting thru the enclosure, PCB, etc.?).
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Verified Purchase
This product has a feature that one's Ir TV Remote can be used to turn off a false alarm - ones ir remote can also be used to test the alarm - in reality it sets off alarms. My compact Fluorescent light bulbs set off false alarms. I had thrown away the packaging so I could not return it. I took it apart and blacked out with black tape the ir sensor and it seems to be ok. Not every one will be able to do this. Others have had similar problems.
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Like another reviewer, after having 3 of these alarms in use for 6 months they started going off in the middle of the night. Even with replacing the batteries, the same thing happened. I'm in the market for some basic smoke detectors. I have one toddler and one on the way, so safety is very important to me.
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