The doorbell bracket is specifically designed for all inward-opening doors with a thickness ranging from 0.8 inches to 2.1 inches. Ensure you check your door's size prior to purchase. This bracket is suitable for installation on both metal security doors and wooden doors, providing enhanced protection for your doorbell. Key Features: - Enhanced Security : The anti-theft design prevents removal of the doorbell unless the door is opened, ensuring your device remains safe from vandalism. - Durable Materials : Constructed from robust steel and hard plastic, this bracket is built to withstand the elements and deter tampering. - Compatibility : Works with various models including Video Doorbell 1, Video Doorbell 2, Video Doorbell 3, Video Doorbell 3 Plus, Video Doorbell 4, Video Doorbell 2020, Video Doorbell 2021, Video Doorbell Pro, and Video Doorbell Pro 2. Practical Applications: 1. Home Security : Perfect for securing your video doorbell on your home’s entryways, providing peace of mind for you and your family. 2. Business Use : Ideal for installation on commercial properties where maintaining security and reducing theft risk is a priority. 3. Rental Properties : A great solution for landlords looking to protect doorbell cameras from potential tampering by tenants or visitors. Please note that this bracket is not suitable for external door openings. For any inquiries or assistance, feel free to contact us for a satisfactory solution.