Anti-Theft Design:Focus on theft prevention while also taking into account the aesthetics. Anti-Theft Mount can fully protect your doorbell, let the guys have no way to do it. Easy to Install: Adjust the clip according to your door thickness, place the bracket on the side of the door, and then fix it by screws. It does not require drilling doors or walls. very simple. Depending on the scope of application: it cannot be used on iron security doors. Doors are between 0.59inch and 2.36inch thick. Great for renting out houses, apartments, offices, rooms, business buildings. No Drill & Easy Installation:Put your in the shell and lock it, then adjust the fixed clip. No need to drill the door and keep it intact. Exquisite Appearance and High Quality: The doorbell showcases a yet industrial aesthetic and sleek design. Name: Doorbell Anti-Theft Door Clamp Bracket - Fixed Features: No Punching, No Damage To The Door, Anti-Theft Design, Beautiful And Durable, Small , Easy Installation, Fixed Doorbell color:Black Material:Metal size:17.5 x 7.7 x 15cm Package Contents: 1 x Doorbell Only the above package content, other products are not included. Note: Light reflection 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.