First Alert hardwired carbon monoxide detector with battery back-up. Features an electrochemical sensor which detects carbon monoxide gas and measures the concentration. Sounds a loud 85 decibel alarm when potentially harmful level is reached. 2 silent features; unwanted alarms and low battery silence. Instant test/reset button. 9-volt battery included. Battery…
6-pack contractor pack combination carbon monoxide and smoke alarm. Can connect to other compatible BRK or First Alert CO and smoke detectors. Light indicates if the alarm is for smoke or for carbon monoxide. Single test/silence button for simple operation. Hardwired combination CO and smoke alarm features battery backup for…
Combination carbon monoxide & smoke alarm. Detects smoldering and fast-flaming fires as well as carbon monoxide. Dramatically reduces the chance of nuisance alarms. Features Intelligent sensor technology which combines the detection capabilities of an ionization smoke sensor with an electrochemical carbon monoxide sensor. Capable of interconnecting with up to 24…