Product description Power Supply: Battery & USB 3 Key: ①R/L ②SR ③ASA On/off: On the base Dimension: 138MM*35MM Colors: black, white Material: ABS Package list: 1* Rotating display stand+1* USB cable 1. 【Electric & automatic rotating platform】The maximum load is 3kg. Can be used to display jewelry, cakes,cups, toy models, art exhibits. Placed in shops, Studio, schools library, exhibition halls, living rooms and other venues. 2. 【Controltable speed,adjustable direction & angle】 ①R/L rotates clockwise or counterclockwise. ②SR 2 gear speed regulation is 1-2 revolutions per minute. ③ASA can adjust the rotation angle 45-90-180-360°and turn round. It’s depends on what you want. 3. 【ON/Off switch】 Any key to turn on and off on rotating display stand. Turn on in 1 second and turn off in 3 seconds. 4. 【Power supply】The rotating display stand works with USB power supply or Power storage Rechargeable Battery or by External Battery 3 AAA (not included). 5.【Mirror Surface】The mirror-like surface makes the displaying products more prominent and eye-catching, produces a dazzling and attractive effect. Suitable for displaying jewelry, watch, cosmetic, toy model, mobile phone and digital camera. A great display stand for your collectibles or craftwork.