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 life varies according to use and application. Recommended for professional installation only. UL (Underwriter's Laboratories) listed. White.
|Battery Life||Varies According To Battery Life|
|Dimensions||5-3/5 In. W x 1-9/10 In. H x 5-3/5 In. L|
|Alarm Type||Carbon Monoxide|
|Battery Type||9V Battery|