The starry sky projector in modern design projects a starry sky in pleasant colors onto the ceiling, helping children fall asleep. It's ideal for creating a starry night atmosphere in the children's room. There are 4 different lullabies to choose from. The figure starts to spin as soon as the music is activated. The package includes 3 LR6 AA batteries, which provide a runtime of 60 days with 30 minutes of playtime each day.