This is a highly technical device which allows you to see a 290 Degree angle at your door. You literally can see the Ground, ceiling and the walls at the side of your door. All at the same time This is the same device that you saw on As Seen On TV

Product Features

• This Door Viewer easily installs in 5 minutes with a 1/2 Inch Viewer Bore
• Clearly see who is at the door from the safety of your home
• Assures a clear 290° degree full view with a silver coating glare tint
• Can Replace Conventional Peepholes Adjustable Fit Doors From 1 3/8 To 2 1/4 Inches Thick
• Door viewer is a high technology product, made with four precision glass lenses