Feature: . Suitable for door thickness: 50mm-70mm, 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 before opening the door. 220-degree viewing angle enables a wide field of view, allowing you to see from the top of a person's head to their feet through the door. A solid, heavy-duty viewer cover enhances privacy; when closed, it prevents people outside from seeing inside your home, providing added security and peace of mind. Specification: Condition: New Color: Silver Material: Stainless steel Suitable for door opening diameter: 14mm Suitable for door thickness: 50mm-70mm Viewing angle: 220 degrees Quantity: 1 piece Notice: Please allow 1-3cm error due to manual measurement; ensure you are comfortable with this before ordering. Please note that colors may vary slightly due to lighting and screen settings. Package Included: 1 x Door Viewer