Smoke Detector Guard, Open Back, Indoor, Color Silver, Material Stainless Steel, Mounting Surface, Width 7 3/8 in, Depth 4 1/2 in, Height 7 3/8 in, Diameter 8 in, For Use With Smoke Detectors, Operating Temp. -40 Degrees to 250 Degrees F, Standards MEA Approved, UL Listed, Features Guard Helps Protect Against Vandalism and Damage, Includes Mounting Hardware