Audible and Strobe Guard, Open Back, Indoor, Outdoor, Color White, Material 9 ga Coated Steel Wire, Mounting Flush, Width 9 3/8 in, Depth 2 1/2 in, Height 6 1/8 in, For Use With Speakers, Strobes, Operating Temp. -40 Degrees to 250 Degrees F, Includes Mounting Hardware