This peephole viewer is specially designed for increasing the security on home entry doors. Strong abrasion resistance and good protective effect, suitable for home and hotel use. Sophisticated production, brings you more convenience. Features - ColorAssorted Color - Material:Zinc alloy, plastic - Size: 7.00X7.00X5.00cm/2.75X2.75X1.97in - diameter 16mm/0.63in, suitable for door hole 16-40mm/0.63-1.57in, suitable for door thickness 50-70mm/1.97-2.76in - Adopted zinc alloy, plastic, suitable thickness, this peephole viewer can effectively prevent peeping. - Door privacy viewer offers has high security, has the highest security for you, and your family. - Door peephole viewer home security at the entry door and are a great tool for protecting your privacy from prying eye. - This door privacy viewer provides you a nice privacy opportunity, suitable for home, office, hotel, etc. - Made of sturdy material, high strength, wear-resistant, peephole viewer has stable performance. Package list: 1 -in-1 Door Viewer Peephole