Features: brand new and high quality One-piece 300g swing clock movement DIY clock accessories. Shaft length: 15cm/0.59in, thread height 0.7cm/0.28in, suitable for 0.2-0.5cm/0.08-0.2in thick clock face, size: 12.5x11.7x3.3cm/4.92x4.61x1.3in. Features: Suitable for DIY clock, one-piece music box rocker for hourly timekeeping, 12888 hourly timekeeping movement, equipped with speakers. It works at a temperature of -10 to 50, and there are 4 kinds of music to choose from. The simple style clock movement can match to diverse colors, patterns, shapes clock panel, it will not stand out, good movement will work well. Specifications: Material:Plastic+Quartz Type:1/2/3/4/5/6/7/8/9/10/11/12/13 Battery:Powered by 2x C Batteries+1 AA Battery(Not Included) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 1 Set Clock Music Box