Virtually indestructible cover is made to protect its contents against accidental and intentional damages. Strobe Damage Stopper Cover, Indoor, Color Clear, Material Polycarbonate, Mounting Surface, Width 6-1/2 In., Depth 4-3/4 In., Height 8-1/2 In., For Use With Strobe Units, Operating Temp. -40 Degrees to 250 Degrees F, Standards UL/cUL, MEA, ADA Compliant, Features Polycarbonate Cover Helps Protect Strobe Units Against Vandalism and Damage, Open Back Box with External Mounting Tabs, Includes Open Back Box with External Mounting Tabs