Feature: New and high quality. Suitable for door thickness: 60mm-90mm, compatible with wood, fiberglass, or metal doors. Easy to install; replace your door viewer in 5 minutes with no tools required. The lens helps enhance home security by allowing you to identify visitors without opening the door. 220-degree viewing angle enables a wide field of view, letting you see from the top of a person's head to their feet. A durable viewer cover increases privacy; when closed, it prevents people outside from seeing inside. Provides added security and peace of mind. Specification: Color: Silver, Gold, Bronze Material: ABS Plastic Suitable for door opening diameter: 16mm Suitable for door thickness: 60mm-90mm Viewing angle: 220 degrees Notice: Please allow 1-3cm error due to manual measurement. Colors may vary slightly due to lighting and monitor settings. Package Included: 1 x Door Viewer