Feature:Brand new and high quality.Suitable for door thickness: 60mm-90mm, suitable for wood, fiberglass or metal doors. Easy to install, replace your door viewer in 5 minutes with no tools required. The lens will secure your home against burglary, intrusions and home invasion. 180 degree viewing angle provides the security of identifying visitors from behind a locked door,   Specification: Color: antique brass Material: zinc Suitable for opening: diameter 14mm Suitable for door thickness: 50mm-75mm Degree: 180   Package Included: 1 x Door Viewer   Our advantage: · Accept small quantity of multi-style. · Competitive price(with our own factory produce). · Highly skilled manufacturing process. · Timely products delivery; · 30 years cooperating with foreign customers experience; · Well-trained staff for quality control and packing.