Tranquil Turtle helps kids fall asleep, by recreating the soothing sights and sounds of the ocean at calm. The light projector creates a serene underwater effect - complete with softly undulating waves - while the sound machine unit offers two calming choices: a gentle melody or whispering waves. A great solution for kids who are afraid of the dark. With adjustable brightness and auto shut-off. Batteries included. Imported. Winner of the National Parenting Center Seal of Approval Turtle sleep machine has a soft plush animal body and plastic shell. Looks cute perched on a dresser or night table! Requires 3 "AA" batteries (included) 23-minute auto shut-off 12"L x 7 1/2"W x 4"H