[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. Clearance between door and frame needs to be 0.08inch (0.2cm). [Exclusive Design]Specially designed for Blink video doorbell, no need to drill holes in the door or wall to install. The 90-degree adjustable angle provides you with more flexible viewing angle to fit more corners. 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 video doorbell. [Easy to Install]Install the video doorbell on the adjustable bracket, adjust the retaining clip according to your door thickness, put the bracket on the side of the door, and fix it with the knob. No drilling or drilling required. Our gantry comes with detailed installation instructions and other necessary accessories. color:White Material:Stainless steel, ABS size:14.00 x 7.29 x 13.31 cm Package Contents: 1 x mount Only 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.