Mainly made of ABS, non-toxic, strong, durable. Set the round-trip rotation function according to the rotation Angle. The round-trip rotation Angle can be set as 45-90-180-360 degrees. One button start stop switch, multi-function rotation mode. Three speed regulation is 2 turn -4 turn -6 turn per minute, the maximum bearing speed according to different are 4KG-3KG-2KG. Four power supply modes are available for selection, which are USB direct alternating current power supply, USB power bank power supply, three ordinary AAA batteries power supply, and 18650 rechargeable lithium battery power supply. (AAABatteries & 18650 rechargeable lithium battery are NOT included) Suitable for displaying jewelry, watches, cosmetics, toy models, mobile phones and digital cameras. Size: as shown in the picture R/L: direction switch (clockwise or counterclockwise switch) SR: Speed adjustment (2r/4r/6r/min) ASA: Angle adjustment (45°/90°/180°/360° cycle) Charging: 5V USB Charging time: 3h Service time: 8 hours Maximum bearing weight (according to speed) : 4KG-3KG-2KG Power supply: USB power supply/storage power supply/external battery 1865 lithium battery (NOT included) or 3 AAA batteries (NOT included) Available Colors: Frosted Black, Frosted White, Mirror Black or Mirror White Package includes: 1 x Electric intelligent 3-speed bidirectional rotating display table 1 x USB Cable