S. Parker Hardware, 1602DCH, Dull Chrome, Door Viewer And Non Electric Chime Combination, Chime Door Viewer 4-3/4"H X 3" Wide Outside Plate, 6" H X 3-1/8" Wide Inside Face Plate, 180 Degree Lens Angle, One Way Door Viewer, Two Note Mechanical Audible Door Chime, No Wiring No Batteries No Electricity, The non-electric chime easily fits almost all doors, and saves worrying about power problems. The 180 degree viewer aids security. There are frames for apartment number and resident's name. The 1602 comes polished brass finish as well, Boxed.