This night lights for kids room is a nice Birthday gift for kids girls. I will accompany her in darkness night. Light up kid's whole room with star and help kid sleep. And overcome the scare to darkness when she 1-2 year old. I will bring her suprise and funny when Treat me as Gifts for 3 4 5 6 7 8 9 10 11 12 13 14 Year Old Girl. Kids love the starry ceiling. Nightlights for kids room covers the entire ceiling and wall of the bedroom with stationary or move stars moon,making for endless wonder When kids lay in the bed and watch the stars slowly turn on the ceiling until they fall asleep They can sleep the whole night peacefully. How use projector lamp? one is by USB cord, continuous make starry sky for kids. another is by 4 x AAA batteries. can bring me to any where when in battery inside. Star night light projector's rotation's perfect for sleeping kids who are scared of dark so they can sleep in their own bed without fear of the dark when watching the star moon "dance". Key switch details: baby has three gear switches. "A" gear for the night light mode switch, night light mode light for the warm yellow light. "B" gear for the light color conversion switch (can be arbitrarily switched light color). "C" gear for the control of the rotary switch. Turn on the lampshade with a second night light; three gear switches are not related, you can freely control the mode you want.