4 LED beads: Star and moon projector lamp with 4 LED beads of warm light, blue light, green light, red light. They are match with 3 Push-Button (A B C). High power LED beads are bright, can project up to 6 ft. | MODES: 9 different combinations of warm, red, green and blue light. | POWER: 4 x AAA Batteries could support the projector lamp, or USB cable connect to the electric. | USAGE: 3 buttons located on the front which labeled A, B and C. A - warm light mode button, can turn the yellow light on and off, B - cycles through color options C - turns on and off the rotating motion option. There are 4 color options, warm light, blue, red and green. You can choose to have one color or multiple colors at one time. Chinese & English Instruction Manual in the Box. | ROTATION: It has a tiny motor to rotate the projector film cover. The stars and moon will move slowly.