1The LED light base can be charged from the USB port or driven by battery, you can chose it in either way, and it is very convenient to use. 26 flash methodscolorful slow flash, colorful fast flash, brightness light, brightness red light,brightness blue light, brightness green light, which can display your favorite crystal ball, figurine or jewelry. 3Using in displaying crystal ball, crystal statues, acrylic, jewelry and other items, the base can serve as a great ornament to you house. 4The light base can make your ornaments more vivid and display a great effect especially at night. 5This item does NOT rotate. But it has a super long life service. Keep away from water can better warrant your safety.