... alloy Color:CP, Gold plated, Satin nickel etc. Viewe angle:200 degree Door thickness:40-70mm Door viewer Product details: Name ... :Zinc alloyColor:CP, Gold plated, Satin nickel etc.Viewing angle:200 degreesDoor thickness:47-70mmUsage:DoorWebsite:www.shgerbon.comBrandGerbon Advantages for ...