Powered by 1 * AA battery (not included), easy to install, just insert the battery. Unique design - 3D hour hands use silent scanning movement. The design is simple and straightforward. It uses high-tech technology to minimize consumption and effectively extend the life of the movement, which is harmless to the environment and health. The static clock hands give you a quiet night. Enjoy the open design of DIY 3D hour hands with minute and hour hands. You can design the clock and the room according to your own habits, or share the design process with friends and family. Name: Movement Pointer Color: Black Material: stainless steel Size: 10 cm, hour hand 27 cm, minute hand 33 cm Package contents: 1 x hour hand 1 x minute hand 1 x dial 1 x movement, Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.