Kidde 408-21006379 Firex i12080 Hardwire Smoke Alarm with Exit Lig...

One button design for easy operation and less confusion. Operates Smart Hush and alarm test. Battery run down protection will shut down alarm memory when AC power is not present, reducing low battery chirp. Dust cover protects sensor from contaminates during construction reducing nuisance alarms

• Safety Light illuminates the path to safety
• Tamper resist locking feature deters alarm theft
• Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system
• Battery backup provides protection in case of power failure
• Interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms.