1. Material: PU 2. All copper wires provide strong power 3. Low consumption and energy saving, high-efficiency conversion table 4. V-shaped hinge, firm and firm 5. Double ball bearings, fully enclosed design 6. Use silent motor, excellent noise reduction 7. High temperature and corrosion resistance 8. Dimensions: 30.5 x 24.5 x 17.5 cm 9. Weight: 3.8kg 10. Note: only the watch storage box, not the watch