Digital display displays the level of carbon monoxide the unit is sensing
Three convenient mounting options
Peak level button displays the peak CO level recorded by the alarm since it was last reset
9V Battery backup provides protection during power outages
This Carbon Monoxide Alarm offers digital display allowing easy viewing of carbon monoxide levels. Its 9V battery back up provides you and your family protection even during power outages. The KN-COPP-3 features a hide-a-way cord that allows for multiple installation possibilities. Digital Display, 9V battery back up, Hide-a-way cord, Test/Reset Button, Loud 85dB Alarm, Low Battery Warning, Easy Installation
Plugs into wall. Batteries included.