Kidde KN-COB-IC (21006406) AC Hardwired Operated Carbon Monoxide Alarm, Electrochemical Sensing

Kidde 21006406 Interconnectable Wire-In Carbon Monoxide Alarm With Battery Backup, 85 DB At 10 FT Loud, 60 HZ Operating Frequency, 120 VAC Operating, 40 - 100 DEG F Operating, Environmental Conditions: 5 - 95 PCT Relative Humidity (RH), Electrochemical Sensor, Dimensions: 5-3/4 IN Diameter X 1.8 IN Depth, LED Display, Mounting: Wall Or Ceiling, Included: 9 V Alkaline Battery, Multiple Contractor, UL 2034, Article 760 Of The National Electric Code And NFPA 72