Smoke Detector Damage Stopper Cover, Indoor, Outdoor, Color Clear, Material Polycarbonate, Mounting Surface, Depth 5 in, For Use With Smoke Detectors, Operating Temp. -40 Degrees to 250 Degrees F, Standards UL Listed, CSFM, Features Polycarbonate Cover Helps Protect Smoke Detectors Against Vandalism and Accidental Damage, Easy to Install In Areas Where Physical Abuse is Causing False Fire Alarms or High Maintenance Costs, Units Led Remains Clearly Visible, Includes Conduit Spacer