This virtually indestructible cover is designed to stop vandalism and accidental damage to strobe units.This cover is designed to provide maximum protection in harsh conditions. Weatherproof cover is NEMA 4 and NEMA 4X Rated. Product includes an enclosed backbox. Unit incorporates an appliance mounting plate that eliminates the need for an electrical outlet box. Molded of clear, thick, UV-stabilized polycarbonate material, polycarbonate is backed by a lifetime guarantee against breakage in normal use.