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First Alert's Series of Basic Smoke Alarms work exceptionally well in detecting flaming fires. A Mute Button has been included to serve the dual purpose of silencing nuisance alarms brought on by cooking smoke and shower steam. This button also allows you to test the functionality of your alarm. First Alert Basic Alarms are an ideal purchase for those looking for basic fire protection with the option of conveniently muting false alarms. Basic Smoke Alarms also come equipped with an EZ access battery door that removes the hassle and burden of collecting your alarm from the ceiling and replacing its batteries. The combination of a 9v battery and an increased emphasis on the unit's 85db sound output establish peace of mind, while the inclusion of an anti-theft prevention lock all but guarantees the safest of experiences. This alarm carries a 10 year limited warranty and complies with UL217 Standards.
Ionization Sensor Reliably Detects Flaming Fires
The First Alert Basic Battery Operated Smoke Alarm with Battery Backup comes equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials.
Battery-Powered Alarm Installs Easily
This battery-powered smoke detector requires no rewiring and no electrician to install. Simply mount it on a wall or ceiling using the open mounting design. An end-of-life signal will notify you when the detector is nearing expiration.
Test and Silence Button
Mute Button has been included to serve the dual purpose of silencing nuisance alarms and testing the functionality of your alarm.
EZ-Access Battery Door
The addition of an EZ Access Battery Door removes the hassles and burdens associated with changing your alarm's batteries.
First Alert Smoke Alarm SA303CN3
* California Residents - Please Note This Alarm is Not Compliant with California State 10 Year Sealed Battery Alarm Legislation Requirements.
Average Customer Rating Based on 28 reviews:
Owner - 04/11/2018
Reviewer: Vivian Sickman
Very loud and clear. I was really happy to see batteries included.
smoke alarm - battery - 03/19/2018
Reviewer: John La Duke
Clear instructions. Easy to install
Quick and easy - 03/09/2018
Reviewer: Stacy Link
Product arrived when expected and in good condition. Easy ordering process. Will use these guys again!
first alert smoke detector - 01/13/2018
Reviewer: timothy oakley
I've always trusted first alert products I also have their fire extinguishers. They are my opinion the only ones to buy. Very happy customer !!!
Reviewer: Peter Ravel
Good value for the price
Smoke Alarm - 12/11/2017
Reviewer: jerry maass
This is a basic smoke alarm but should be able to give a warning.
Safety - 12/11/2017
Reviewer: jerry maass
It is a very good idea to have these to warn you of a need to break out the fire extinguisher. They both are cheap insurance.
Simple - 11/07/2017
Reviewer: Demetrios Kolokithas
Simple to setup and use.
Fast Delivery - 04/06/2017
Reviewer: Robert Schall
Fast delivery, good prices. Will definitely order from them again.
Reviewer: Deborah Yackel
5 - Very Good - Was able to get the same style I had previously and install simply.
Actual battery service life depends on the particular design of your smoke or carbon monoxide alarm and the environment in which it is installed. All kinds of alarm batteries specified in the user's manual are acceptable replacement batteries. Regardless of the manufacturer's suggested battery life, you MUST replace the batteries immediately once the unit starts "chirping" (the "low battery warning"). It is recommended that you change the batteries in your alarms when you change your clocks for daylight saving time. Also consider replacing your current alarms with 10-Year Life Alarms that never require a costly battery replacement for the ten year life of the alarm. This 10-Year series is available in smoke, carbon monoxide and combination alarms.
Other reasons include: It could be a different device or appliance such as a security system, monitor, carbon monoxide alarm, or other device which has a similar low battery or alert signal. Some of the same factors that cause unwanted alarms can cause intermittent alarms: dust and insects in the alarm or power interruptions in hardwired alarms. Improper wiring on AC or AC/DC smoke alarms. AC alarms will chirp every 5 seconds if the interconnect wire is grounded. The orange interconnect wire should NEVER be grounded; it should only be used to interconnect other smoke alarms or compatible devices.
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