carbon monoxide & smoke combination alarms
first alert co400 carbon monoxide alarm battery powered electrochemical sensor
h3 features h3 ul li works during power outages li li no installation required li li place or mount almost anywhere li li mute button to quiet unnecessary alarms also tests alarm function with same button loud 85 decibel alarm low battery warning li li low battery mute quiets low battery signal for up to 8 hours li li easy access front open compartment allows battery change without taking alarm down li li electrochemical sensor is the most accurate technology available for detecting carbon monoxide li li end of life timer alarm chirps when it is time to replace the alarm li li meets ul2034 standard li li uses 2 aa batteries included . li li white li ul p p h3 whats in the box h3 ul li first alert brk brands co400 carbon monoxide alarm battery powered li ul
first alert