Stopper Dome for Strobe Cover, Indoor, Color Clear, Material Polycarbonate, Mounting Surface, Width 9 3/8 in, Depth 4 1/2 in, Height 8 1/2 in, For Use With Strobe Units, Operating Temp. -40 Degrees to 250 Degrees F, Standards UL/cUL, , Features Polycarbonate Cover Helps Protect Strobe Units Against Vandalism and Damage, Has Open Back Box, Includes Open Back Box