Carbon Monoxide Alarm Detection Method Electrochemical No Interconnection Capability Power Source Sealed Lithium Ion Audible Alert 85 dB @ 10 ft Visual Alert Style LED Height 2 3/4 in Depth 1 1/2 in Width 4 1/2 in Digital Readout No Battery Backup No Features Sealed Lithium Batteries Red LED Pulses During Alarm Event Memory Hush Button No Locking Pin No Operating Temp 40 Degrees to 100 Degrees F Standards UL2034 Includes Battery Manufacturers Warranty Length 10 yr Limited
