CMD-6 Carbon Monoxide Alarm, 12/24 VDC with Internal Relay - Black

Designed for Marine use. CMD-6 with new internal circuit board. Visible and audible alarm. Permanent deactivation method. Drip proof and salt spray corrosion tested. Chemical and solvent resistant housing. 3.5in. H x 3.5in. W x 1.2in. D. Mounting bracket and screws included. Conforms to UL STD 2034. Appoximate 7 year life. CMD6-MD (12/24V DC models): Includes a permanent back-up battery