Quartz Clock Movement with ON-OFF SWITCH ML6188 : Silent Sweep Quartz Movement. CE,ROHS certificate. Wall Clock Movement.CE Quartz Clock Movement with ON-OFF SWITCHDimension:56x56x16mmShaft Length:12mmNet Weight:23gTorque:≥180μN.MBattery Life:AA/6monthsMeasures Of Carton:370×370×355mm/500pcsSuppy Shaft Length:6,7,8,9,10,12,13.5,16.5,18.5,21(mm)