YINO Magic Multi-color Auto Changing Novelty LED Table Desk Lava Lamp Reflecting Glitter Rocket Astro Night Light- USB Powered No additional software required; Sparkling glitter adds to the effect, creating interesting reflections Just plug it into a USB port, and watch it change colours, bringing a nice ambience to your work environment. Changes colours automatically - Red, Green,Blue, Purple, Yellow, Orange, White Cord Length: 140cm approx. Dimensions: 2.36 in x 2.36 in x 7.28 in , Weight: 6 oz