Youngtown - Young Town - Recordable Chime Quartz Clock Movement!! - Pendulum - Clock Repair Kit - Records anything you can think of! Hourly strike is only for Westminister or Whittington chimes. Recording voice has no hourly strike. It just plays your recording. Auto night shut-off between 11pm and 7am, or chime shut-off options. Case size is 2-1/4"H x 2-1/4"W x 5/8"D. The threaded shaft length is 1/2" and the overall shaft length is 13/16". Shaft diameter is 5/16" (8mm).Requires 1 'AA" battery (not included). Includes hour and minute hands (If Requested). Pendulum, bob and all mounting hardware.