Wide Angle Door Viewer, Peephole, Door Scope Door Viewers with a wide angle lens. Precision lenses Adjustable, for doors between 35-50,40-70,50-80,70-120mm thickness Brass casing Tube diameter: 14mm or 16mm Cover: Internal cover prevents light from being seen from outside Easy to fit Finishes: P&L Door viewer Packing: 10pcs/inner-box, 250pcs/box