Yale P 9401 PB Door Viewer, fits doors 35mm to 57mm thick, Polished Brass Finish, Standard Security, Visi Packed, suitable for external Wooden

Helps identify callers before opening the door Adjustable to fit door thickness 35 mm - 57 mm Suitable for wooden external doors Clear viewing lense, Weight: 0.09038952742 Pounds, Manufacturer: Yale