EXCLUSIVE DESIGN: Anti-theft doorbell door mount is designed for most brand video doorbells, is made of steel and hard plastic. This anti-theft mount for doorbell can wrap your video doorbell. Aiming to offer a renter-friendly doorbell accessory, protecting your expensive video doorbell stealCOMPATIBLE DOORBELLS: Compatible with Ring Video Doorbell 1, 2, 3, 3 Plus & 4, models, and the most popular non-wired video doorbells which width between 2inch and 5inch, and the length between 5inch and 6.7inch. Please measuring your doorbell size before purchase.CHECK DOOR SIZE BEFORE ORDER: This no drill ring mounting bracket is special friendly for those who live in apartments, dorms, rentals, hotels. Your door thickness must between 1.3 inches and 2.0 inches. Between door and door frame distance must be more than 0.2 inch. (tips: the door must be swing inward)NO-DRILL & EASY INSTALLATION: Put your video doorbell and foam in the shall, tighten the screws, mount on the door side. Then fixed it on the door via the adjusting screw. It Does not need a drill door or wall, will not change anything after mount it.Colour:blackMaterial:ABS+metalPackage Contents:1 x Doorbell bracket (with installation accessories, not including doorbell)Only the above package content, other products are not included.Note: Light 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.