For Blink Doorbell Bracket No-Drilling Easy Installation Mount 1. Anti-theft stainless steel doorbell bracket, only suitable for Blink video doorbell! 2. Fits most doors. Door thickness must be between 0.59 inches and 2.36 inches. You can measure the thickness of your door before ordering. It can be used with left-hand or right-hand opening doors. (Doors that must open inward!) Perfect for homes, apartments, rentals, offices, hotels, commercial buildings and more. 3. No need to drill holes and easy to install, you can install the doorbell bracket in minutes. Install the stainless steel fixing brackets on the aluminum support plate and adjust the fixing clips according to your door thickness. Note that the anti-theft steel plate can only be installed after the Blink doorbell is installed. 4. Made of hard and ultra-thin 304 stainless steel and aluminum alloy. Wont block any of the doorbells sensors. 5. Note: Stand only, doorbell not included