Moon and Star Night Light: If your child fears the dull, this star night light will be an ideal expansion to a kid's room. The night light for youngsters has a delicate light so you can lay down with it on and it won't trouble you. Best Presents: Place and open the star night light in a child's room or elsewhere you might want to appreciate bright projected stars like enhancing festivals, weddings, birthday celebrations and gatherings. Send it as a present to a companion or a youngster, they make certain to become hopelessly enamored with it! Insert 4*AAA batteries into the battery holder with the correct polarity, then recover the battery cover. Use it as a lamp, you need to put the lid on, if you want it to be a projector, just take off the lid. After removing the cover, it can project a magic star sky on the ceiling. Please note that the USB cable and the batteries can not be used at the same time. Model A: The Nightlight light (warm light), press A again would shut off Model A. Model B: Switch between different light colors (monochrome light or colorful light overlay). Note: Press B 9 times in a row, The model B would shut off. Model C: It is the rotary switch (rotate or not rotate freely chosen) Note: Press C again would shut off the rotation.