Onelink Wireless Hardwired Smoke Alarm Overview

Onelink Wireless Hardwired Smoke Alarm Onelink Wireless Hardwired Smoke Alarm Wirelessly interconnect alarms. 120VAC hardwired wireless interconnect smoke alarm with battery backup. To expand protection to include both existing hardwired alarms and new wireless alarms, simply replace one existing hardwired alarm with Onelink, then add Onelink battery operated alarms elsewhere and when one alarm in either series alarms, all alarms will be notified. Easily link alarms together with the press of a button. When one alarm sounds, they all sound for maximum whole home protection. Photoelectric smoke sensor reduces nuisance alarms from cooking smoke or shower steam. Easy access battery drawer: no need to remove alarm from ceiling to change battery. 10-year limited warranty. Meets UL standards. This ONELINK wireless alarm is for you if: ● You want to build a safety network of interconnected alarms in your home without the cost and hassle of wiring. ● You want to your existing hardwired alarms to communicate with new Onelink wireless alarms to expand protection. Where To Place Carbon Monoxide Alarms: One on every level of the home and one in each sleeping area. First Alert Smoke Alarm SA521CN-3ST