Door Fit Requirements: Compatible with: Only Inward-swinging doors (0.8-2.3 inches thick, frame gap >0.06 inches). NOT compatible with: Metal security/anti-riot doors, glass doors, screen doors, uneven-surfaced doors. Doorbell/camera is NOT includedthis package only contains the mount. Perfect Compatibility with Blink Video Doorbells: Exclusively designed for Blink Video Doorbell 1st Gen & 2nd Gen(Newest Model). Ideal for apartments, offices, rentals, and homesprovides stable support to protect the device. Anti-Theft Blink Doorbell Mount: Made of premium plastic and metal for long-term durability, it provides dual protection for your doorbell and homeno more worrying about doorbell theft! Precision-designed to never block sensors or interfere with night vision and two-way audio. No Drilling Needed Installation: Install in seconds without damaging your door! making it a perfect fit for renters. Simply place your Blink Video Doorbell into the mount, slide it onto your front doo