Feature:· Brand new and high quality. · Suitable for door thickness: 35mm-50mm, 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. · 180degree viewing angle provides the security of identifying visitors from behind a locked door, You can easily view the entire surrounding area from the top of the head to the feet of someone standing outside. · A solid, heavy duty viewer cover increases your privacy. With the cover in place, visitors outside cannot see through the viewer into your home, offering the highest level of privacy for your protection and safety! Specification: Condiiton: 100% Brand New Color: Sliver Material: BRASS Suitable for opening: diameter 14mm Suitable for door thickness: 35mm-50mm Degree: 180 Package Included: 1 x Door Viewer Product Advantage · Brass/Stainless steel material,Classic beauty, meet more demands. · Real materials, visible weight, high quality guarantee. · Easy to install, suitable for a variety of glass thickness · Products after repeated grinding and testing, strict quality inspection. · 48 hours salt spray test,Better than other suppliers.