carbon monoxide & smoke combination alarms
first alert co600 carbon monoxide alarm ac plug in electrochemical sensor
br no batteries required br 120 volt plug in br with silence feature samples the air and performs self diagnostic tests approximately every second br a microchip inside the unit stores each reading and remembers the levels of co it has been exposed to over time . controls are test silence button green power light yellow service light red alarm light br loud 85 decibel alarm ul listed br 3.3 in . height x 4.75 in . width x 2 in . depth 0.24 pounds br
first alert