Description

Digital display presentations level of carbon monoxide the unit is sensing (updates reading each 15 seconds)
Peak level button presentations the height CO level recorded by the alarm since it was once last reset or unplugged
9-volt battery backup supplies continuous protection even right through power outages
Tamper-withstand feature is going into constant alarm mode if unit has been unplugged or has come loose from the opening
7-year end-of-life warning alerts user to interchange CO alarm (40 percent longer than other CO alarms)