Kokoons Plush are soft, cuddly, double-sided musical night lights that help soothe and comfort your baby into a restful night's sleep. Press the music note button to play “Twinkle Twinkle Little Star” and/or the power button to cycle automatically through the 7 color options. Press the button again to turn off the lights manually or they will shut off automatically after approx. 45 minutes. Three AA batteries are sure to light up your life!