USB Powered Aluminium and Glass RGB LED Colour Changing Vortex Lamp with Micro Scale Glitter Inclusions Lamp Uses a Spinning Motor and Magnet to Swirl Fluid within Glass Globe Creating a Shimmer Whirlpool Effect RGB LEDs Gently Phase Through Seven Different Colour Combinations Creating a Uniquely Relaxing Mood Light An Ideal Gift for People who Enjoy Colourful Moving Displays or as a Mood Lamp for those who Like Quirky Lights Lamp Measures Around 36 cm by 9.5 cm by 9.5 cm | Powered by Dedicated Detachable 1 Metre USB Cable Nebula Lamp Requires 5V | 1A USB Power Adaptor (Not Included) | For Indoor Use Only | This is Not a Toy This product is exempt from UK energy efficiency labelling as it produces a luminous flux below 60 lumens