[Anti-theft design] The upgraded anti-theft design of the video doorbell mounting bracket can fully protect your video doorbell wireless, protect your video doorbell camera from theft and protect your property safety. [Wide door compatibility] Our video doorbell bracket is compatible with a variety of doors (except iron security doors). It is designed for inward-opening doors with a thickness range of 0.59 to 2.36 inches and a door gap of more than 0.06 inches. [Compatible Video Doorbell Models] The video doorbell door bracket is compatible with a range of video doorbells, including the Video Doorbell (1/2/3/4 Generation, Released 2020-2021, Pro-Pro2). The maximum size of the doorbell is 2.3 inches wide x 5.63 inches high x 1.26 inches deep. Please note that the video doorbell itself is not included, and our design ensures that there will be no interference with the camera sensor. [No Drilling and Installation Required] Place the video doorbell into the housing, adjust the fixing clip according to the door thickness, place the bracket on the door side, and then secure it by two screws. It does not require drilling holes in the door or wall.