Features: 1. Anti-theft Design: Our doorbell mount suitable for most video doorbell, ideal for condo, apartment, office room, rental, dorm. The door mount provide a safe environment for you, no need to worry about being stolen. 2. Applicable Doorbell: 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, Video Doorbell pro2. 3. Easy to Install, No Need to Drill: Put your video doorbell in to our excluding design sponge housing and then follow the Installation Instructions to finish the jobs in seconds. 4. Sturdy Material: Made of manganese steel, not easy to deform and rust, can be used for a long time. 5. Note: Please check your door size if it is applicable. 1) the thickness of the door must be between 1 inches and 2 inches. 2) The distance between door and door frame is more than 0.6inch. 3) Doors that must be opened inward Please check the left Picture No.3 for details and make sure to check your door before order. Specification: Material: Manganese Steel Product Color: Black Product Size: 14 x 12.3cm Product Weight: 300g Package Included: 1 x Anti-Theft Doorbell Mount Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.