[Please measure your door ]Our doorbell bracket is suitable for doors that swing inwards, not for iron security doors Doors must be between 0.79inch to 2.55inch (2cm to 6.5cm) thick. The space between the door and the frame needs to be greater than 0.08inch (0.2cm). Please check the fit of the door before purchasing.[Exclusive Design]Specially designed for Blink , no need to drill holes in the door or wall to install. Perfect for apartments, condos, offices, rentals and dorms.[Aesthetic Anti-Theft Design]Our bracket installation can only be removed when the door is opened, and the metal sheet design at the bottom covers the screw holes to enhance the anti-theft performance. The gantry does not block the view of the doorbell sensor and camera, making it the perfect mount for a .[Made of Hard Metal]Upgrade Stand is made of tough and ultra-thin 304 stainless steel, which is safe, non-deformable and heat resistant. cheap plastic brackets, and the old mounting of punching holes in doors and walls color:BlackMaterial:Metalsize:12 x 7.3 x 13.3cmPackage Contents:1 x Doorbell Door MountOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.