Carbon Monoxide and Gas Alarm, 85 dB at 10 ft, (2) AA Batteries, 120V AC, Electrochemical

Carbon Monoxide and Gas Alarm, Battery Chemistry Alkaline, Battery Location Front, Battery Locking Pin No, Battery Size 9V, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type Explosive Gas/CO Detector, Features Front Loading Battery, Includes 9V Battery, Number of Tandem Detectors Not Applicable, Power Source Plug-In, Sensor Type Electrochemical, Visual Alert Type Digital Display, Volume Level 85 dB @ 10 ft, Battery Backup Yes, Hush Mode Yes