Multi-Function: Two projection theme modes star sky and sea world theme can be changed.Install one of the two films,which can project various patterns included jellyfish, sea horses, dolphins, clown fish, starfish, algae, shell, conch(Sea World Theme), stars and moons(Starry Sky Theme).Remove the inner two films and close the top cover,it is also a little bedside night light; 8 Colors Mode: Warm white and red / bule / green LEDs project 8 colors light, nice different patterns make you feel like staying in the middle of underwater or becoming a star rover, it all depends on which projection theme you are using 360 Rotation and Easy control: The projector lamp could be 360 rotation, either you want it rotate dynamic or become static, it can offer you an amazing and vivid vision.There are 3 buttons on the front side of the night lighting lamp, you could choose different color display, light rotation and light mode. Power Supply: The projector lamp can be powered by 4*AAA battery(Not included) or Usb cable(package included) Best Gift: Perfect for children to create a pleasant and relaxing bedtime experience, soothe and comfort kids to sleep. It is an interesting gift for your Baby and Kids, showing a magic star sky and amazing underworld to them