Carbon Monoxide Battery

120V/BATTERY DIGITAL CO DET

120V plug-in with a battery backup. Digital LED display with easy view backlit display. Displays carbon monoxide concentration in parts per million. Electrochemical carbon monoxide sensor. Loud 85dB alarm with mute button, low battery signal, and end of alarm life timer. Silence/test button. Easy access battery door for 2 "AA" batteries (included). Meets UL2034