Smoke Detector Alarms: Type - Smoke Alarm; Detector Power - 120V w/Battery Backup; Max Interconnect Stations - 18; Detector Operation - Photoelectric; LED/Strobe Type - LED Power/Alarm Indicator; Horn Output - 85dB; Additional Information - Bridge unit links interconnected 120V alarms to battery operated OneLink enabled wireless alarms; Manufacturer Series - First Alert OneLink
Additional Info: Bridge unit links interconnected 120V alarms to battery operated OneLink enabled wireless alarms