Bluecell Black Color Velvet Top Motorized Rotating Display Stand for Jewelry Model Hobby Collectible Product and other Small Stuff Diameter of display surface: 8" Use one D battery to supply power(battery is not included) Clockwise and Anti-clockwise are both avaliable 2 types of speed can be selected (high speed 6-8rpm, slow speed 3-4rpm) Perfect for display Jewelry, watch, digital product, shampoo, glass, bag, Models, Diecast , Jewelry and Collectibles