Price For: Each Height: 5 1/2 in Item: Horn Strobe Alarm Includes: Mounting screws Status Indicator: LED Width: 2 in Depth: 2 in Length: 4 3/4 in Features: Adjustable Clear Strobe, Adjustable Audible Tone Settings, Low Current Draw For Use With: Mfr. No. DVP-120M, CM-6, GD-6, TX-6-ND, TX-6-HS, TX-6-AM, OX-6, RD-6, 70-2900-0011-9 Power Source: 16 to 33V DC