Features: -Compatible with most wine bottles, allowing bottles with neck diameters up to 3 cm, suitable for vodka, rum, white/red wine bottles and more.-There is a touch switch, short press to select 10 light colors (warm, white and natural, RGB 7 colors), long press to adjust the light brightness.-Built-in 5200mAh rechargeable battery, can be connected to any USB port for charging (laptop, power bank, socket, etc.). A full charge takes only 3-4 hours and provides 48 hours of continuous lighting.-Reaching IP54 waterproof standard, rain will not cause damage.-Can be used both indoors and outdoors, suitable for bedrooms, restaurants, bars, cafes, outdoors, etc.Specification:Colour: blackWaterproof: IP54Battery capacity: 5200mAhNumber of lamp beads: 56Size.