The First Alert CO605B is a hardwired 120V AC single station carbon monoxide alarm specificially designed for residential applications. This product features an electrochemical CO sensor, end-of-life sensor and silence feature. The end-of-life sensor will cause the alarm to GÇ£chirpGÇ¥ when the unit needs replacing. CO605B can be plugged directly into a standard wall outlet. 9V battery backup included. Meets most codes both state and local, for carbon monoxide alarms. 7-Year Limited Warranty.
Kidde 21006137 Plug-In Carbon Monoxide Alarm With Battery Backup, 85 DB At 10 FT Loud, 60 HZ Operating Frequency, 120 VAC Operating, 60 MILAMP Operating, 40 - 100 DEG F Operating, Environmental Conditions: 5 - 95 PCT Relative Humidity (RH), Electrochemical Sensor, Dimensions: 5 IN Width X 3-7/8 IN Height X 1-11/16 IN Depth, Green And Red LED Display, Mounting: Wall, Included: 9 V Battery, UL 2034 *** Discontinued ***