Smoke Detector Guard, Open Back, Indoor, Color Clear, Material Polycarbonate, Mounting Flush, Width 9 in, Depth 3 3/4 in, Height 9 in, Diameter 8 3/4 in, For Use With Smoke Detectors, Operating Temp. -40 Degrees to 250 Degrees F, Standards UL Listed, Features Protects Smoke Detectors from Vandalism and Damage, Includes Mounting Hardware. This item has been restricted from sale in the following state (s): []