Carbon Monoxide Alarm Detection Method Electrochemical No Interconnection Capability Power Source (2) AA Batteries 120V AC Audible Alert 85 dB @ 10 ft Visual Alert Style LED Height 3 7/8 in Depth 1 3/4 in Width 5 in Digital Readout No Battery Backup Yes Features Tamper-Resistant Alarm Sounds When Unit is Unplugged Hush Button No Locking Pin Yes Operating Temp 40 Degrees to 100 Degrees F Standards UL2034 Includes Batteries Manufacturers Warranty Length 5 yr Limited
