Protect keyless door entry units against harsh outdoor conditions and abuse with the Mini Bopper Stopper. This super tough, durable cover is even useful for weatherproof keyless door entry units when ice and snow can make them difficult to operate. It also does a good job in protecting against abuse and accidental damage. The cover and hinge is molded of polycarbonate material while the hinge springs are formed from stainless steel. Comes complete with installation screws and gasket. Mini Bopper Stopper is backed by a three year guarantee against breakage in normal use. STI-6516 FEATURES Protects against vandalism and accidental damage. Fast and easy installation. Cover is molded from thick clear polycarbonate material. Helps stop ice and snow from making keypad units hard to operate. Can be used over volume or lighting controls. Stainless steel torsion spring maintains cover in a closed position. Cover is UV-stabilized. Comes complete with mounting hardware and gasket. UL Listed to U.S. and Canadian safety standards. Typical working properties of polycarbonate are -40¬∞ to 250¬∞F (-40¬∞ to 121¬∞C). Three year guarantee against breakage of polycarbonate in normal use. 94V-2 flammability rating.