... /day 3.Battery life:12 months 4.CE and RoHS 5.Sweep clock movement, transparent cover Company profilewe are factory specializing ... .2008Shaft length12mm Supply shaft length6, 7, 8, 9, 10, 12, 13.5, 16.5, 18.5, 21mmBack covertransparentMaterialABSDimension56x56x16mmNet weight28gBattery lifeAA/ 12monthsTime accuracy1secs/dayPackage500pcs/ctn ...