If One Interconnected Smoke Alarm Sounds, They All Do!
These Wired Interconnected Smoke Alarms have green LEDs to indicate when power is on and red LEDs to indicate when alarms are activated. Latching Alarms identify initiating Alarms. Locking mechanisms lock the battery drawers and secure the Alarms to their bases. Test/reset buttons help you monitor each alarm's circuitry and activation. 85dB horn. Operating temperatures are 40°F to 100°F. 120VAC, 60 Hz.