Strobe with Horn, Engineered Thermoplastic Housing, Length 5-1/2 In., Height 5-1/2 In., Depth 5/8 In., Decibels 90dBA @ 10 ft.., 24VAC/DC, 462 mA @ 24V AC, 412 mA @ 24V DC Amps, Surface Mounting, Engineered Thermoplastic Housing Material, Operating Temp. 32 to 120 Degrees F, Gray Housing, Amber Lens Color, UL Standards