Ring doorbell 4 review

Door Compatibility: Not suitable for iron security door and storm door!The door must be swing inward! the door thickness must be within 0.59-2.36 inch and door gap over 0.06 inch.You can measure the thickness of your door before ordering
Applicable Doorbell Model: The size of the doorbell that can be placed inside is not more than 2.55inches Wide x 5.11inches High x 1.14inches depth.Anti-Theft Video Doorbell Mount compatible with Ring Video Doorbell / Video Doorbell 2 / 3 / 3 Plus / 4 / Video Doorbell (2020 Release) and Ring Battery Doorbell Plus/ Pro (2023/ 2024 Release) and Blink Video Doorbell(Doorbell is Not Included in Package)
No-Drill & Easy Installation: You can install the doorbell bracket in seconds. Place your video doorbell in the housing and adjust the mounting clip to the thickness of your door. Simply place the video doorbell inside and secure it to your front door
Antitheft video doorbell bracket: The security screw is hidden on the back of the anti-theft case, which is a real anti-theft. It cannot be removed from the side of your door unless the door is open. The newly designed front opening does not affect the doorbell’s motion detection sensor
Premium Material: Made of premium metal and hard ABS, enough durable to prevent your expensive video doorbell from stealing. Widely compatible for house, rental,apartment,dorm,offices, business building. If you have any problems, Please contact us immediately.We will offer the best service to every customer

What you will receive: You will receive 4 blink doorbell keys compatible with blink video doorbell and blink door chime and a key ring, enough quantity for your daily use.
High-quality material: This doorbell reset key and key-chain are made of high-quality stainless steel material, sturdy and durable, not easy to rust and deform, you can use it with confidence.
Anti-lost design: This doorbell spare key has a small hole and comes with a keychain in the package. You can hang this flashing video doorbell key with other keys, which can effectively prevent this doorbell gadget from being lost.
Easy to use: To use this doorbell key, simply insert the doorbell replacement key into the bottom of the Blink doorbell and pull on the doorbell to release it.
Excellent service: If you have any questions about this flashing doorbell key, you can contact us at any time, we will effectively answer your doubts and solve your problems.