Features: 1. Anti-theft Design: This doorbell mount is compatible with most video doorbells, making it ideal for condos, apartments, offices, rental units, and dorms. The mount provides added security, helping protect your doorbell from theft. 2. Compatible Doorbells: Designed for use with 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 Pro2. 3. Easy Installation – No Drilling Required: Simply place your video doorbell into the included sponge housing and follow the installation instructions to complete setup in seconds. 4. Durable Construction: Made from manganese steel for long-lasting use, resistant to deformation and rust. 5. Compatibility Notes: Please verify your door specifications before purchase: - Door thickness must be between 1 inch and 2 inches. - Gap between door and door frame must be at least 0.6 inch. - Doors must open inward. Refer to image 3 for details and ensure your door meets these requirements prior to ordering. Specifications: - Material: Manganese Steel - Color: Black - Size: 14 x 12.3 cm - Weight: 300g Package Includes: 1 x Anti-Theft Doorbell Mount