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First Alert SA304CN3 Smoke Alarm with Escape Light

4.3 out of 5 stars 97 customer reviews

Price: $14.76 & FREE Shipping
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Usually ships within 3 to 4 days.
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Standard Packaging
Include installation | Estimate $57.95 | ZIP
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  • Service provided by a local pro
  • Mounting/wiring of new detector in current location
  • Completing unit test cycle
  • Demonstrating proper usage and maintenance
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Estimate: $57.95
89% positive ratings (9 reviews)
    This fits your .
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  • Eco-friendly
  • Ez-access Battery Door
  • Easy-to-use Mute Button
  • Includes 9v Battery
  • Ionization Sensor
  • Ionization battery-operated smoke alarm with escape light
  • Features convenient silence/test button, blinking power light, 85-decibel alarm
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165 new from $10.24 2 used from $7.99
$14.76 & FREE Shipping In stock. Usually ships within 3 to 4 days. Ships from and sold by DigitalKynect.

Frequently Bought Together

  • First Alert SA304CN3 Smoke Alarm with Escape Light
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  • First Alert SA720CN Smoke Alarm Photoelectric Sensor with Escape Light
  • +
  • Kidde KN-COSM-BA Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Warning
Total price: $69.08
Buy the selected items together

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Product Packaging: Standard Packaging
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Product Description

Product Packaging: Standard Packaging

Amazon.com

Working smoke alarms cut the risk of dying in a home fire by 50%, and that's important because a home fire starts every 83 seconds! The faster you know about a fire, the faster you can start moving your family outside. The First Alert smoke alarm with escape light not only alerts you to smoke and fire with a loud 85-decibel alarm, but also illuminates your path to safety. It uses ionization smoke sensing technology with a new contemporary enhanced smoke gathering design. It also 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 side battery drawer slides open for easy battery replacement. A blinking power indicator on the unit confirms that it is receiving power. The silence/test button allows you to both silence a non-threatening alarm and to test the unit's functionality. The alarm contains an optional pin to lock the battery and unit in place for tamper resistance. It can be mounted on either the ceiling or the wall and can be used in mobile homes and RVs. It includes one 9-volt battery and has a 10-year limited warranty. Replaces the old SA150 model. UL listed for safety. Not permitted for sale in Oregon.--Bree Norlander

What's in the Box
One smoke alarm, user's manual, and one 9-volt battery

To test the light It is important to test this unit every week to make sure it is working properly. Using the Test/Silence button is the recommended way to test this Smoke Alarm. Press and hold the Test/Silence button on the cover of the unit until the alarm sounds and the Escape Light turns on (the unit may continue to alarm for a few seconds after you release the button). If it does not alarm, make sure the unit is receiving power and test it again. If it still does not alarm, replace it immediately. During testing you will hear a loud, repeating horn pattern: 3 beeps, pause, 3 beeps, pause. The Escape Light will turn on. LED flashes once every second


Product Information

Product Packaging:Standard Packaging

Technical Details

Part Number SA304CN3
Item Weight 9.6 ounces
Product Dimensions 8.5 x 7 x 2.5 inches
Item model number SA304CN3
Size One Size
Color White
Power Source battery-powered
Voltage 9 volts
Item Package Quantity 1
Number Of Pieces 1
Usage Residential
Batteries Included? No
Batteries Required? No
Warranty Description TEN YEAR LIMITED

Technical Specification

Additional Information

ASIN B000BDB708
Customer Reviews
4.3 out of 5 stars 97 customer reviews

4.3 out of 5 stars
Best Sellers Rank #30,848 in Home Improvements (See top 100)
#108 in Home Improvement > Safety & Security > Fire Safety > Smoke Detectors & Fire Alarms
#236 in Home Improvement > Safety & Security > Household Sensors & Alarms
#2,361 in Home Improvement > Contractor Supply
Shipping Weight 8 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 1, 2008

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By V. Hartman on March 4, 2014
Package Type: Standard Packaging
VERY important issue that may be causing most of the poor consumer reviews:

I bought two of these from a big box store. I could find no markings on either battery compartment that tell how to put the battery in correctly, i.e., where to put the + and - terminals. There is a TEENY TINY drawing and a short bit of text in the instructions about battery alignment, but you'll miss it if you aren't really looking. The text tells you to "install the battery so the terminals on the battery match the terminals on the smoke alarm. Match + to + and - to - " ... BUT there aren't any terminal marks on the compartment! Or, if there are, they're way too hard to locate. And if you look at the openings where the terminals go when the battery compartment closes, it's counter-intuitive: The opening that looks like it should take the negative terminal, which is the larger one, doesn't; the battery has to go in the other way around. That means (on my model, at least) that the negative terminal is aligned with the OUTER EDGE of the detector when installed correctly; the positive terminal goes toward the middle of the device. This is indicated in the teeny tiny drawing, but like I said, if you don't look closely, you'll miss it.

I suspect this is the problem experienced by those reviewers who couldn't get anything but the light to work, because I had the exact same problem until I turned the batteries around: The light came on, but it wouldn't test beep, no matter how long I pushed the button. Why the light should come on when the battery is in backwards is beyond me, but it does.

Additionally, if you have the battery aligned correctly, it fits and snaps into the battery compartment without having to be forced, which is something other reviewers have also reported.
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Package Type: Standard Packaging
Years ago, somewhere I bought a smoke detector with a built-in light (like this, in concept). Although (thankfully) we've never needed to rely on it, I liked that it was there, so when we needed to add a new detector, I looked for something similar. I chose this one partly based on the CR reviews of similar First Alert models, and partly based on availability and price here at Amazon.

The older detector has a pretty bright light when I test it, and I was expecting something similar when I ordered this one (the SA304CN3). Well, this one's light is rather small by comparison and didn't seem terribly bright during testing.

Like anybody shopping for such an item, I try to imagine possible scenarios. With no smoke, in a pitch black house, it would help, especially if the power is out. But one assumes there might be smoke, in which case the light's range would be more limited. So I don't think of it as "lighting the way out" all the way to the door.

Instead, I figure the presence of even this dim light in the haze might help you locate a stairwell (if you mount it there) which would get you that much closer to the exit. So, I'm thinking of it more like a small beacon than an actual lamp.

Other stuff: First Alert seems to have a problem writing clear instructions for mounting these things (I bought two different FA models). To their credit, they give good advice about where to place the detectors within the home. But after that, they gloss over the details of measuring and drilling holes for the supplied wallboard anchors and screws, and stuff that some people might need help with.

And while some obvious stuff is barely mentioned, they go to huge length about (for example) installing security pins in the base and the battery compartment.
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Package Type: Standard Packaging Verified Purchase
Amazon is sending a replacement due to the escape light not functioning upon arrival. Will see if the replacement experiences the same issue.

Update:

Second unit has the same issue. Horrible build quality.
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Package Type: Standard Packaging Verified Purchase
Had a fire at my home about 2 days after these arrived. Got 2nd degree burns on my legs, but these worked great. My landlord had her own stuff but it didn't have batteries. These come with everything saved my life. Literally.
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Package Type: Standard Packaging
Ionization alarms have been named in several lawsuits as contributing to fatalities in home fires. Here's what the manufacturer's are afraid to admit:

1. Ionization alarms do not reliably respond to smoldering or slow growing smoky fires. Several documented fatalities have occurred in homes with working ionization alarms which did not detect the thick smoke until the occupants were incapacitated or dead.

2. Ionization alarms are too sensitive to cooking, which results in nuisance activations. Annoyed occupants are 4 times as likely to disable ionization alarms compared to more reliable ph photoelectric technology.

3. Ionization smoke alarms contain radioactive material. Millions of smoke alarms are thrown away every year, almost all of them with the radioactive material still inside.

Do your family a favor, buy photoelectric alarms, install them on every level and in every sleeping room. If you are buy the manufacturers claim that ionization alarms respond a little bit sooner to fast growing fires, then use a dual sensor alarm that has both photoelectric and ionization.
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