2 Pack Premium Movement:6168S Quartz Clock Movement, longer service life. Battery NOT included. Applicable Clock Panel:16 mm axial length for 4 - 6 mm Thickness of Panel. 22 mm axial length for 8 - 12 mm Thickness of Panel. Please check your Panel Thickness before buying. 5 Styles Aluminium Clock Hands:4 Styles Hour Minute Second hands,1 Pair Hour Minute hands, please DO NOT install with too much pressure, or they will be bent. Silent Clock Mechanisms Battery Powered:Offer your sleep a silent environment, move without any noise. Wide Application:Not only suitble for replacing the broken parts, but also can be applied to frameless draw clock, cross-stitch, three-dimensional embroidery, craft clock etc by yourself.