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First Alert SA302CN Double Sensor Battery-Powered Smoke and Fire Alarm | 
| Brand: First Alert
List Price: $44.99
Buy New: $21.31
You Save: $23.68 (53%)
New (28) Used (1) from $14.99
Rating:  52 reviews
Sales Rank: 114
Media: Tools & Hardware
Shipping Weight (lbs): 0.8
Dimensions (in): 6 x 6 x 1
MPN: SA302CN
Model: SA302CN
UPC: 029054142016
EAN: 0029054142016
ASIN: B000066OC9
Release Date: May 2, 2007
Availability: Usually ships in 1-2 business days
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| Features:
| • | Dual sensing ionization and photoelectric battery-operated smoke alarm | | • | Intelligent sensing technology reduces nuisance alarms | | • | Patented remote-controlled technology for hassle-free silencing and testing | | • | Low battery warning with remote-controlled silence feature; tamper resistant | | • | 9-volt battery included; 10-year limited warranty |
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| Editorial Reviews:
Amazon.com Product Description
The First Alert Ultimate Series smoke alarms incorporate all of the patented features that make First Alert the leader in home safety products. The SA302C comes with both photoelectric and ionization sensors to detect flame or smoke in one powerful alarm. The rear mounted sensor is the most efficient design in the industry. With intelligent sensing technology, this alarm is designed to recognize the difference between non-threatening conditions and real emergencies. It is effective at detecting both slow, smoldering fires and fast, flaming fires. A loud 85-decibel alarm alerts you to smoke or fire. The alarm's microprocessor technology automatically runs daily self-check tests on every smoke alarm function (does not test horn) to assure you that it's working properly. Silencing and testing functions can be run by most household remote controls such as the ones used for the television, stereo, and VHS or DVD players, eliminating the need to reach the ceiling. It features a low battery alert to remind you when to change the battery and has a missing battery guard to ensure that a battery is placed inside the alarm. The alarm automatically quiets the low battery alert without affecting the alarm's functionality. The side battery drawer slides open for easy battery replacement. This unit comes with a 9-volt battery and a 10-year limited warranty. UL listed for safety. Approved for sale in Oregon.--Bree Norlander What's in the Box
One smoke alarm, user's manual, and one 9-volt battery
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| Customer Reviews: Read 47 more reviews...
 The best dual sensor smoke alarm August 1, 2004
David Swanson (Providence, RI)
84 out of 91 found this review helpful
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. In the event I toast or cook and inadvertently don't have my range hood on and the alarm goes off I just twist the detector out of its base and put it on the counter until I'm done venting the smoke. And that smoke by the way, is barely perceptible with the eye, which is a testament to the sensitivity of this smoke detector.
Installation is a piece of cake. Battery replacemnent is equally simple. Actually more simple. There's a little door you open and pop the battery into while the detector is installed. You don't have to pull it down. although, it's just a simple twist to remove.
Also, you can test the detector with any TV remote. You can shut it off with a remote as well but I just use the external button for both.
I'm very pleased with these, as I stated I have 5. I bought them all through Amazon at different times and had no trouble with shipping. They came fast, were packed well and I feel a bit more comfortable having them up.
 TV remote sets off "test" feature October 10, 2005
A. West
56 out of 61 found this review helpful
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.?).
A smoke detector that's easy to use January 16, 2005
A. Ellwood (Boston, MA)
44 out of 45 found this review helpful
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.
If you're buying the smoke detector for use in a house you plan to rent out, you might be concerned that all these convenience features will make it too easy for your tenants to disable the detectors. First Alert solved this problem by providing two locking pins: one for the battery compartment and one for the twist-off base. These pins are installed and removed with a pair of pliers. Of course installing the locking pins makes the smoke detector harder to use.
As one of the other reviewers commented, this smoke detector doesn't look like the picture on this page. Go to First Alert's web site if you want to see an accurate picture.
 It may be good for unoccupied spaces August 27, 2006
R. E. Monahan
22 out of 25 found this review helpful
I bought 3 of these via Amazon. Unknown to me, they arrived dirty, with out of date batteries. As a result, they caused many false alarms. We weren't home for the first two, and the neighbors called the fire dept. My advice is to clean them thoroughly per the instructions and discard the batteries that come with them.
They are much too sensitive. They can't be installed near the door to a bathroom in which there is a shower. They can't be installed anywhere in a kitchen. As others have pointed out, they can't be installed in a room in which the TV remote control is used. In my case, the above rules leave only the basement.
In any of the above locations, a fire dept officer told me to use only photocell detectors, not ionization. They are not as sensitive.
late shipping February 2, 2003
18 out of 97 found this review helpful
I placed this order Dec 30, 2002. Your ad says "usually shipped within 1 to 2 weeks. And you just keep putting my order back and putting it back. With no explaination as to why. I am sorely dissapointed in the handling of this order. The other time we ordered the very same item we received it in a timely manner. I don't know if I will use you again.
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