First Alert Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup – 6 Pack

First Alert Interconnect Hardwire Twin Sensor Smoke Alarm with Battery Backup – 6 Pack
First Alert’s Precision Detection superior sensing know-how reduces cooking nuisance alarms and delivers early warning
Twin smoke sensor know-how supplies optimum safety for each smoldering and quick flaming fires
Interconnects with most First Alert and BRK alarms so when one sounds, all suitable alarms sound to offer an early warning
Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning
Battery backup supplies steady safety throughout energy outages