[Designed for Blink Doorbells] This doorbell bracket is specifically designed for Blink video doorbells, ensuring their security and suitable for rentals, apartments, offices, and more. Please note that this bracket is not compatible with for Blink 2nd Generation doorbells. [Enhanced Anti-Theft Features] for The Blink video doorbell bracket, featuring an anti-theft design, provides additional security for your doorbell. Installing this bracket effectively prevents doorbell theft, further enhancing your home's safety. [Wide Compatibility] This doorbell bracket is compatible with most security doors and inward-swinging doors. It is compatible with both left and right-hand doors, but not with outward-swinging doors. Door thickness should be between 1.33 inches and 2.4 inches. Doors thinner than 1.33 inches may require additional washers. [Drill-Free Installation] Installation requires no drilling. Simply place the doorbell in the housing, adjust the mounting clip to fit the door thickness, then position the bracket against the door and secure with screws. Detailed installation instructions and necessary accessories are included in the package for quick and easy installation. Color: Black Material: Metal Package Contents: 1 * Doorbell holder Only the above package content, other products are not included. Note: Light reflection 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.