Material: Aluminum, Stainless steel, Zinc alloy, Plastic, Copper, Brass Angle: 160-220degrees Viewing Angle: 180,200,220degrees Color: Gold, Black, Drawing steel, Chrome, Nickel AB, AC First door thickness: 35-55 MM Screen Size: 3.2 Inch LCD Function: Night Vision LENS: Glass Finish: Satin Brass, Green Bronze Width: 18-22mm Diameter: 14-22mm Peephole GW: 1.6Kg Show More