First Alert SA303CN3 Battery Powered Smoke Alarm with Silence Button review

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Technical Details
  • Battery-powered smoke alarm with silence/test button. Optional theft-prevention lock when activated, batteries and/or alarm cannot be removed without proper tools
  • Features convenient silence/test button, blinking power light, 85-decibel alarm
  • Also includes side battery drawer and missing battery guard
  • Low battery warning and tamper resistant. Sensor Type: Ionization
  • 9-volt battery included, recommended battery replacement every 6 months (best with Polaroid 9 Volt batteries); The Smoke Alarm requires one standard 9V battery. The following batteries are acceptable as replacements: Duracell #MN1604, (Ultra) #MX1604; Eveready (Energizer) #522. May also use a Lithium battery like the Ultralife U9VL-J for longer service life between battery changes
    Battery powered smoke alarm with mute feature silences nuisance alarms from cooking smoke or shower steam. Single button also tests alarm functions. Easy access battery drawer: no need to remove alarm from ceiling to change battery. 10-year limited warranty. Meets UL standards. TROUBLESHOOT: With the battery compartment open, install the battery so the terminals on the battery match the terminals on the Smoke Alarm. Match “+” to “+” and “-” to “-.” Push the battery in until it snaps in securely and cannot be shaken loose. If the battery is not snapped in completely, the unit cannot receive battery power. Clean the Smoke Alarm at least once a month; gently vacuum the outside of the Smoke Alarm using your household vacuum’s soft brush attachment. A can of clean compressed air may also be used. Follow manufacturer instructions for use. Never use water, cleaners or solvents since they may damage the unit.

    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 silence button allows you to both silence a non-threatening alarm and to test the unit's functionality. 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 side battery drawer slides open for easy battery replacement. A blinking power indicator on the unit confirms that it is receiving power. 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. UL listed for safety.Bree Norlander: what's in the Box: One smoke alarm, user's manual, and one 9-volt battery

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