Usage Tips:[7 LED:]Come with 7 colorful LED to display your crystal glass figurine or figurines jewelry or anything within 3 inch (diameter) round, bright LED lamps display highly beautiful crystal, colorful LED lights can work at the same time and brighten up any parent object with good effect. (Note: the light is gradual, not emitting seven colors at the same time) [Two power supply modes]Our display base is not only powered by USB cable (included) and compatible with computer, laptop, power bank or any other with USB adapters, but also supported by 3 AAA batteries (not included) [High-quality]The round mirror will rotates 90°, Lamp Life is up to 20000 hours, long time for using. 7 Color LED lights work at the same times and brightens up any parent object with magnificent effect! [Multiple scenarios]Great way to display your favorite crystal glass figurine or figurines jewelry or anything 3 inch round.they can be applied for crystal, acrylic, 3D crystal statues, jewelry and other items, it is a nice gift for most occasions. Name: Rotating Crystal Display Base Bracket Two switch models: 7 colors + rotation; 7 colors (without rotation) Number of LED lights: 7 LED light color: 7 Power Mode: 3 AA Batteries (Not Included) / AC 110-240V Adapter size: 10 x 3.5cm Material: plastic colour: silver Package Contents: 1 x crystal display 1 x usb cable 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 +/- 1-3cm.