... door viewer, Made of brass or stainless steel, Plastic or glass lens, With or without cover. Door Viewer DV011, Material: brass or stainless steel2, ... Lens: plastic or glass3, Size: dia12x160°, dia14x 180°, dia16x 200°4, ... Can be with cover or withour cover5, Various finishes: CP, SN, GP, PVD etc. ...