First Alert SA521CN-3ST Wireless Interconnect Hardwired Smoke Alarm With Battery Backup
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First Alert

Wireless Interconnect Hardwired Smoke Alarm With Battery Backup

Mfg.# SA521CN-3ST
Sku# 5877295

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  • Features
  • Specifications
The latest advancement in a series celebrated for its intuitive use of technology, the First Alert Wireless Interconnect collection offers an abundance of options when it comes to creating the ideal safety network. To expand protection to include both existing and hardwired alarms and new wireless alarms, simply replace one existing hardwired alarm with a Wireless Interconnect alarm, and then add First Alert Wireless Interconnect alarms elsewhere. Should one Wireless Interconnect alarm sound off, the remainder of your Wireless Interconnect alarms will also trigger simultaneously and alert you and your home to any potential dangers. This feature allows for the maximum in whole home protection.

The realization of Photoelectric Smoke Sensing Technology will effectively reduce the number of nuisance alarms triggered by cooking smoke and shower steam. This alarm comes equipped with a Mute Button that serves the dual purpose of quickly silencing your alarm as well as testing its function. First Alert Wireless Interconnect Battery Operated 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 an optional theft-prevention lock 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 comes with a 10-year limited warranty and meets UL Standards.

Battery:AA
Color:White
Sensor:Photoelectric
Type:Smoke Alarm
Warranty:10-Years Limited