These versatile covers offer excellent protection against physical damage (both accidental and intentional). This unique device will protect door opening devices without restricting emergency egress. When used with the 6510-S35 Emergency Pull Station these covers are ideal for installation in schools, hospitals, nursing homes, stores, hotels and public buildings of almost every kind. Perfect for protecting shutdown switches in computer rooms and workshops as well as shielding emergency push buttons, keypads and card readers. Guards against vandalism, accidental damage, dust and grime as well as severe environments inside and outside. The 6510/COV Anti-tamper Alarm Cover consists of a clear, super tough polycarbonate shield and frame that fits over the 6510-S35 Emergency Pull Station. To utilize the 6510/COV lift the clear plastic cover to gain access to the pull handle on the 6510 pull station for door release, or alarm activation.