First Alert First Alert Carbon Monoxide,Alarm,Plug In,No Installation Needed,White First Alert First Alert Carbon Monoxide,Alarm,Plug In,No Installation Needed,White

First Alert Carbon Monoxide,Alarm,Plug In,No Installation Needed,WhiteCarbon monoxide alarm provides needed protection against invisible, odorless, silent killer with a loud 85 decibel alarm. No installation needed. No batteries. Plugs into standard 120V AC outlet with no additional mounting. Features an end-of-life timer which activates a chirping alarm when it needs to be replaced. Features a mute button to mute unnecessary alarms. You can test alarm function with the same button.