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 ADA Compliant Features Polycarbonate Cover Helps Protect Strobe Units Against Vandalism and Damage Has Open Back Box Includes Open Back Box