50-130° ADJUSTABLE ANGLE: Satisure ring/blink doorbell door mount offers Flexible adjustable angle from 50 to 130 degree , each 40 degree both of turn left and right, you can easily to install it anywhere you need and get wider viewing by adjusting angle. T shape design of doorbell door mount also will not block video doorbell camera sensors and night vision ANTI-THEFT DESIGN: Upgraded anti-theft design of the ring/blink doorbell mount holder fully protects your video doorbell wireless, safeguards your video doorbell camera from being stolen and secures your property DOORBELL COMPATIBILITY: Anti-theft video doorbell door mount is compatible with most video doorbells, including Ring video doorbell (1/2/3/3Plus/4 generation, 2020-2021 Release, Pro-Pro2) and blink video doorbell 2021(Video Doorbell not included), compatible Max-size of ring/blink camera doorbell is 5.11*2.55*1.18inches (13*6.5*3cm) EASY TO INSTALL: Fix the "adjustable base" of video doorbell mount by screws