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 lifetime guarantee against breakage and damage in normal use.