Product details:

? Custom acrylic Night Light is made of acrylic panel. Using professional printing technology will not fade or scratch.
? Base Material: ABS
? Treatment Process: Laser Engraving
? Voltage: 5V, 0.5A
? Power Mode: USB/Battery
? Light Source: LED
? Light Color: Red, Green, Blue, Yellow, Cyan, Purple, White (can fix one color or 7 colors gradual changing)
? Light Pattern: 3D Stereoscopic Figure (As Pictures Show)
? Power Supply: By connecting the USB interface or using 3*AA batteries (not included)
? Switch Mode: Touch Switch (can change colors)
Package Include:
1* Optical Acrylic Plate, size in 15x15cm 
1* Lamp ABS Base, size: f85*40mm
1*USB Cable

it can use USB or can use 3*AA batteries