Dreamer Starlight Projector Clock projects a delightful, multi-colored light show on your wall or ceiling. Select the soothing sounds of water, wind, bird calls, and other sound effects from nature to fall asleep or wake up to. Function modes for temperature, countdown, event reminder, and more. 5½"W x 4¼"H. Uses 3 AA batteries (not included). Great for kids, teens and adults.