Compatible Doorbells: Our doorbell mount fits for most brands of video doorbells. Perfectly compatible with Ring Video Doorbell / Video Doorbell 2 / 3 / 3 Plus / 4 / Video Doorbell (2020 version) and Blink Video Doorbell. Compatible with Doors: Doorbell holder fits for the door's thickness between 0.59" to 2.36", pls note the door gap size needs to be greater than 0.06" or larger to use and the door must swing inward, can not used for the iron anti-theft door.We, highly recomend you to measure the door thickness before ordering and if you still not sure whether it can be used, please contact us freely Anti-theft Design: The upgraded doorbell mount designed front opening will not affect the doorbell's motion detection sensor! It cannot be removed from the side of the door unless the door is open. Protect your family and home. Great for condo, apartment, home, residences, office, room etc No Drill Requirement: The doorbell holder no need to drill holes in your door, keeping your door looking perfect. Just place your doorbell in the case, secure the doorbell inside the bracket, and install it on your door High Quality : Video Doorbell Door Mount nade of high-quality metal and hard ABS, durable enough and adjustable angle to prevent your expensive video doorbell from being stolen