Pac Man and Ghosts Night Light Retro Game Desk Table Lamp USB/Battery Material:PVC Package included: 1 x Night Light Batteries: 3 x AAA Batteries (Not Include) It can also be plugged in usb Size: 30*10*6CM Mode 1: Press the switch, 4 lights are on Mode 2: Press the switch for the second time, the first 3 lights will turn on in turn, and the last light will always be on Mode 3: Press the switch for the third time to turn on the rhythm voice control mode, and the light will flash with the rhythm of the sound. Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)