Kidde Hardwire Smoke Detector with 10-Year Battery Backup and Voice Alarm

Kidde Hardwired 120-Volt P4010ACS is an AC/DC powered, photoelectric smoke alarm that contains a 10-year, sealed battery backup and voice messaging system. The voice warning feature accompanies the 85 dB tone during an alarm event and helps reduce confusion with verbal announcements such as Replace alarm at end of alarm life and Hush mode activated when a nuisance alarm is silenced. Kidde P4010 Series Alarms contain 10-year tamper proof batteries that eliminate the need for battery replacement and ends worry over unauthorized removal. Users are further shielded from late night battery chirps by the units Ambient Light Sensing feature, which establishes a day/night cycle and prevents alarm chirping in dark conditions. 10-Year Worry Free Smoke Alarms protect your family for 10-years with a sealed in Lithium Ion Battery back up.10-year sealed-in lithium battery back upTamper-resistant; cannot be disabled10-year limited warrantyEnd of life warningVoice notification: unit verbally announces fire and other alert...