Door viewers, also called , consist of a lens and cylinder which is inserted into a door, allowing a view outside. This door viewer is made of material to provide you with a good view to protect your security. Features - Color: As shown. - Material: Zinc alloy. - Size: 7.00X5.50X5.50cm/2.75X2.16X2.16 inch. - After installing it, you could see of the area. It offers the security for you and your family. - It is a modern security door viewer and peep hole for doors. - Fine workmanship and creative appearance ensure its popularity and practicality. - Perfect peephole for home, office, hotel and front door where you need to see, monitor, and peeking who is outside your door when the doorbell rings before opening, providing you extra privacy and safety. - Made of material, which is durable and lasting for use. Package list: 1 Viewer