SEE CLEARLY, SEE FAR, SEE DANGER, MORE CAN SEE PROSPERITY\r\n\r\n\r\nKeep the danger out of the door, Keep your family safe\r\n\r\n\r\nExquisite Design\r\n\r\n1.The perfect combination of 4 ultra high definition chemical lenses and 220 viewing angles brings you a broad and clear picture\r\n2.Ingenious rear cover design, can be dustproof, peeping and light proof, convenient and practical\r\n3.Fine thread design can effectively prevent thieves from breaking the door viewer with tools\r\n 4.Adjustable design, suitable for more size of the door thickness, easy and convenient installation\r\n\r\n\r\nExquisite Production Craft\r\n\r\nSurface treament: Satin Nickel Finish\r\nLooks elegance with Satin Nickel Finish\r\n\r\n\r\nProduct Parameter\r\n\r\nMaterial: Pure Copper\r\nAngle of view: 220 degrees\r\nTop Diameter:1.02” (26mm)\r\nBrass pipe Diameter: 0.55\"(14mm)\r\nApplicable Door Thickness: 1.34\" to 2.28\" ( 34mm – 58mm)\r\nDiameter of mounting hole in door: 0.55\"(14mm)\r\nPackage Included: 1 Pcs Door Viewer with Privacy Back Cover\r\n\r\n\r\n Installation Instructions\r\n\r\n1.Drill a precisely sized mounting hole in the door\r\n 2.Put the door viewer into the mounting hole\r\n3.Just screw both ends tight