Noiseless warm night light could be a good sleep machine to whom is scared sleeping in dark, make a quiet sleep environment for them and let your baby and kids fall asleep easily | The projection lamp would make people in deep impressive when four colored lights project a vivid starry sky light show or natural world on your Christmas , Birthdays party , Halloween festivals, family gatherings ,nursing, dancing party, wedding anniversary or any other occasions | Two ways to get power. 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. | There are 4 buttons on belly. C is for spin. B is for change color. A is night light mode. press B and then choose the color you want. | Let kids fall into it and sleep calm. Bring me to your home, I will create starry sky for the little one while nowadays rarely to see starry sky in mordern society.