YINO LED USB Table Desk Lava Auto Changing Color Lamp Reflecting Glitter Rocket Astro Night Light with US Plug AC Wall Power No additional software required; Sparkling glitter adds to the effect, creating interesting reflections,and watch it change colours, bringing a nice ambience to your work environment. Come with AC 110v-220v us plug wall plug, it is battery use for usb 5V power or can use for AC 110V wall power too. 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