: 1. Very expert peep. the privacy cover to be considered when installing because it is blush to the door and if anything is near the viewer, like a window in the door with it 's flashing, it will become an obstacle. Can very well through it and the 220 degree range is very efficacious. . . The upcountry viewing hole is a expert to look out of, and the cover provides piece of mind that no one can peek in. . . upstanding. grievous, Easy to install if you already have a viewer, naive loose auld one and screw this one in. whacking on the normative 180 degree field of view. . . The viewer a go cover, it can stop others peep across your door ! . Better your house safety. . . This door viewer/peephole is very squeamish and pretty serviceable. : upstanding Brass Finish : Green Bronze/Red Bronze/Silver Angle of view : 220 degrees canvas tent Diameter : 1-1/10 inches -LRB- 28 mm -RRB- Brass pipe Diameter : 5/9 inches -LRB- 14 mm -RRB- applicative Door Thickness : 1-3/8 '' to 2-1/6 '' -LRB- 35mm-55mm -RRB- Package Included : 1x Door Viewer .