Power Supply: USB Cable ( include) or 3 x AA batteries(not include).Size: Skeleton: 7.7*4.8*0.15in. USB cable: 51.1in. Material: Acrylic You can convert seven colors: red, green, blue, yellow, light green, purple, white When we first saw the light we couldn't believe our eyes. What we originally thought was a beautifully illuminated three dimensional sculpture was in fact a 2D illusion Great fit for reading room , bedroom, baby room, and perfect gifts for kids Children Girl and Boy or birthday gifts to your friends Helpful for sleeping time, not too dark not too bright