Audible and Strobe Guard, Open w/Conduit Knockout Back, Indoor, Color Clear, Material Polycarbonate, Mounting Surface, Width 6 1/2 in, Depth 5 3/4 in, Height 8 1/2 in, For Use With Strobe Units, Operating Temp. -40 Degrees to 250 Degrees F, Standards ADA Compliant, MEA 49-00-E, UL/cUL Listed, Features 3 Year Guarantee, Includes Mounting Hardware. This item has been restricted from sale in the following state (s): []