1.Compatible With Multiple Wireless Doorbells: doorbell mount is used for different sizes of doorbells by filling the inside with sponges of different thicknesses.compatible with Ring doorbell 4/3/2/1 & Ring video Doorbell(2nd Generation-2020 Release)& Ring video Doorbell 3 Plus &Ring battery doorbell plus(2023 release)& Ring battery Doorbell Pro(2024 Release), Blink doorbell, Eufy doorbell S220/C210.Note: Only for wireless video doorbells, not for wired ones (doorbell not included). 2.Suitable for 1.25inch-1.95inch thick doors: The anti-theft doorbell mount with no drill is only suitable for the thickness of the door is 1.25inch-1.95inch, and the gap between the door and frame is more than 0.06inch. 3.So you must measure your door before buying. What type of doors are suitable for : The doorbell mount is only suitable for inward-opened doors.Please carefully note that the outward-opened doors& storm doors& screen doors are not suitable. 4.No Drill Doorbell Mount: The anti-theft door mount is fixed with double screws, more stable than the ordinary single-screw doorbell mount.No drilling design can avoid damaging the integrity of the door panel and the newly designed front face opening does not affect the doorbell's motion detection sensor. 5.Easy Installation & Cooling Design: You can install a doorbell mount in seconds.Place the video doorbell into the door mount, then adjust the setting screws according to the thickness of the door.We have designed many mesh holes around the doorbell mount, which is conducive to heat dissipation of the doorbell and makes the doorbell last longer. Product Description: Suitable for Ring/Blink/Eufy wireless video doorbellMaterial: Iron +ABSColor: Black, whiteSize: 16.5* 13.7* 7.2 cmPackage content: 1* wireless video doorbell