tranquil whale: This pretty whale diffuses a soft light and projects on the ceiling of the room the waves of the ocean in movement thanks to a unique and patented mechanism. comforting: Our products are designed to help calm and soothe children to fall asleep better and make bedtime more pleasant and comforting. gentle sound & light: Projects underwater light effects and a soft underwater melody or waves sound for peaceful white noise. Ideal for babies and children. adjustable: Settings for brightness and movement create a fully controllable experience for various environments. 23 min automatic shutoff. Long life LEDs that don’t heat up. special friend: A baby whale rattle accompanies the Tranquil Whale.