【Simple Installation】SIMPLE TO INSTALL - Applicable Door Thickness ：1.8 inch to 2.9 inch (46mm-76mm) thick doors, simply drill a suitably positioned diameter hole in doors 26mm, insert the viewer into the hole then screw the two sides together and ti, 【Preium Material】Constructed from Durable Solid Brass, leads for a very long durability and lifespan. Perfect for home, office, hotel and front doors where you need to view who is outside your door before opening, providing you extra privacy and safe, 【200 Degree Visual Angle】Its material is solid brass,high quality door viewer and has a nice 220-degree visual angle. After installed it,you could see a lot of the area. It offers the highest quality security for you and your family, 【Wide Angle View】Once installed, the viewer yields good results. It provides a clear, wide angle view. From the inside, viewing a person standing near the door, you can view the top of the head down to about waist level. With no one around the door, 【Home Security Essentials】Modern security door viewer and peep hole for doors. Perfect peephole for home, office, hotel and front door where you need to see, monitor, spy and peeking who is outside your door when the doorbell rings before opening
