Anti-Theft DesignThe blink doorbell mount is compatible with Blink video doorbell camera 2nd Gen only, all-around protection safeguards your Blink camera doorbell from being stolen and secures your property.It cannot be removed from the side of your door unless the door is open.Widely compatible for house, apartment, rental, dorm, business building. Inward Door CompatibilityIts most important thing to check your doors before ordering.Blink doorbell camera mount is designed for inward-opening doors only, and the thickness of doors must be within 0.82-2.08 inches and the door gap width must be over 0.063 inches. Not suitable for iron security doors, storm doors, or screened doors. No-Drill & Easy InstalltionBlink doorbell holder with no drilling neededdoor.Just put your doorbell into the protection shelland combine the shell to the stainless steel bracket with screws, then adjust the fixed clip and secure it to your door. High Quality MaterialUpgraded blink anti theft doo