• One thermostat guard replaces them all • Tamper resistant design prevents unauthorized adjustment of thermostat settings • Strong durable clear plastic protects against damage to thermostat • For new and existing thermostat applications • Slim contemporary style • Two keys Included Included: Clear Plastic Guard Cover, Clear Plastic Ring Base, Opaque Plastic Wallplate, Tumbler Lock with Two Keys, Mounting Screws and Anchors, Wallplate Template