Starry star projector: Four led bulbs project a complete colorful starry sky onto the walls and ceiling of kids' room. It is great toy for boys girls kids and babies to develop the imagination and creativityEight modes: 4 pieces of led beads with warm yellow, blue, red and green light that provide 8 unique modes of light operation. The night light is ideal for decorating weddings, birthdays and partiesNight light: Remove the inner plastic cover and put back the outer cover and a desk lamp that it will be. Warm and soft lights will not stimulate children's eyes and affect their sleepTwo ways to power: Power by 4 x AAA battery (not included) or usb cable (not include a power adapter). Please do not use usb cable and the batteries at the same time. The batteries need to be take out from night light when not in use