: TOGU Material : strong Brass Finish : Antique Copper Angle of view : 220 degrees teetotum 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- Y : Have plump for cover G : 4 layers Optical Glass Lenses Package Included : 1x Door Viewer Warranty Description : Limited Lifetime Replacement Warranty TOGU TG2814YG-55 brass door viewer has a 220-degree viewing range, and finishes of Satin Nickel, Satin Chrome, bright Chrome, Antique Bronze, Antique Copper, PVD Gold, Brushed Gold, bright shameful Nickel, Plating ORB shameful and Classicism shameful are on hand. The viewer inhabitant National Standards Institute -LRB- ANSI -RRB- A156 .16 specifications and is UL fire rated for up to 1-1/2 hours. It can be in a 9/16 '' diameter hole in doors 1-3/8 '' to 2-1/6 '' -LRB- 35mm-55mm -RRB- thickened. Door viewers, also called peepholes, of a lens and cylinder which is inserted into a door, allowing a view extramural. The amount of visibility is by the degree of the lens ; the higher the number, the greater the visibility. TOGU door viewers all 4 layers of physics lens, which offer you a 220-degree viewing range and crystal clear off view. TOGU Hardware Company alto quality and logical price household door hardware, kitchen hardware and bathroom hardware, we sincerely hope that we could have the honor to contribute all our intelligence and effort to work together with you to make your home comfortable , dependable, relax and aesthetical.