Description If you are looking for a professional and reasonable door viewer, your research is here. Door peephole with privacy cover for added security in your life. Before opening the door, be sure to see who it is before opening the door to prevent from entering your home. Features - Material: Zinc Alloy, copper. - Pipe diameter: 16mm. -Note:Color of the inner pipe is random. - Using zinc alloy and copper material, anti-prying design, sturdy and practical, durable. - It provides a clear wide angle view where you can see who is standing in front of the door or what is going on. - The extra-large viewing range and viewing angle look spacious and provide security for you and your family. - Copper and Zinc Alloy Door Viewer will protect your home from burglary, break-in and home invasion. - It is the perfect door controller for home, hotel, office, shop and other occasions. Using zinc alloy and copper material, anti-prying design, sturdy and practical, durable. It provides a clear wide angle view where you can see who is standing in front of the door or what is going on. The extra-large viewing range and viewing angle look spacious and provide security for you and your family. Copper and Zinc Alloy Door Viewer will protect your home from burglary, break-in and home invasion. It is the perfect door controller for home, hotel, office, shop and other occasions.