Audible and Strobe Guard, Open Back, Indoor, Outdoor, Color White, Material Heavy GA Coated Steel Wire, Mounting Surface, Width 7 7/8 in, Depth 6 in, Height 7 7/8 in, Diameter 7 7/8 in, For Use With Beacons, Sounders, Operating Temp. -40 Degrees to 250 Degrees F, Includes Mounting Hardware