Eye Berry Round 200 Degree Door Eye Viewer20-35MM and 35 to55 mm door thikness Crystal Ultra Clear Lens for Safe Secure Home/Office/Hotel: Clear View: The door viewer is all round and has clear view of your surroundings without opening the door- the unique design and ultra-clear view offers perfect visibility from it. Ergonomic Design: The door eye viewer not just offer security to you but it also give amazing look to the door, the brass finish of the door eye just enhance the look of any door. Quick Installation: The door viewer is easy to install without any hassle, you can install over a wide range of door thickness upto 35 mm. Perfect Lens View: Eye berry use high-quality Ultra Clear lens so Outsider cannot hide anywhere. Wide Angle: The Viewing angle is crystal clear and it has 200° degree great visibility. Durable: The door viewer is made with high-quality brass material to ensure durability and longevity.