FIRST ALERT SA520CNA-3ST 120V Smoke Alarm PhotoElectric Wireless with Battery Back Up

Wireless integration gives effortless connectivity Loud 85db alarm EZ access battery door 2AA batteries included Optional theft-prevention lock protects the detector Photoelectric smoke sensing, includes mute button, and eco-friendly 10-year limited warranty This hardwired photoelectric smoke alarm is best at detecting slow smoldering fires. Photoelectric smoke sensors reduce false alarms caused by cooking or hot showers. The alarm features battery backup for full protection during power outages, a Mute/Silence button to quiet false alarms, and an EZ access battery drawer allowing batteries to be changed without removing the alarm from the ceiling. Also features ONELINK interconnectivity and a 10-year limited warranty. First Alert Onelink allows for wireless smoke alarm integration. Simply replace one existing hardwired alarm with ONELINK, and up to 18 battery powered ONELINK alarms elsewhere in the home. When one alarm sounds all alarms will be notified. Easily link alarms together with the press of a button. 20Vac / AA Battery Back-up / Wireless interconnect Easily expand an existing interconnected 120V AC system by replacing one alarm in the series with this alarm. Add additional battery-operated First Alert ONELINK Enabled Alarms to expand without wires Optipath 360 Technology – Patented photoelectric smoke sensing design Spread Spectrum Horn – Easier for elderly with normal hearing loss to hear Two Latching features – Alarm latch and Low Battery latch Two Silence Features – Silence low battery chirp for up to 8 hours or, temporary silence nuisance alarm conditions 10-year warranty Information Name:SMOKE ALARM SA520CNA Description:Smoke Alarm Sa520cna Category:Smoke Detectors Detection Devices