7 LED: Includes 7 colorful LED lights to illuminate your crystal glass figurine, jewelry, or any item up to 3 inches in diameter. The LEDs create a beautiful display effect on transparent objects. The light transitions gradually between colors; it does not display all seven colors simultaneously. Two Power Options: The display base can be powered via USB cable (included), compatible with computers, laptops, power banks, and USB adapters. It also supports 3 AAA batteries (not included) for flexible usage. High Quality: Features a rotating round mirror with 90-degree rotation. LED lamp life spans up to 20,000 hours for long-term use. The 7-color LED system illuminates transparent items with a striking visual effect. Multiple Uses: Ideal for showcasing crystal glass figurines, jewelry, acrylic items, 3D crystal statues, and other decorative pieces up to 3 inches round. Suitable for various display settings and makes a thoughtful gift for many occasions. Product Name: Rotating Crystal Display Base Bracket Switch Modes: 7 colors + rotation; 7 colors (without rotation) Number of LEDs: 7 LED Color: 7 colors (cycling mode) Power Source: 3 AAA batteries (not included) or AC 110-240V adapter (adapter not included) Dimensions: 10 x 3.5 cm Material: Plastic Color: Silver Package Includes: 1 x Crystal Display Base, 1 x USB Cable Note: Other items not included. Lighting and screen differences may cause slight color variation between the image and actual product. Measurement may vary by +/- 1-3 cm.