Happy Hours - Muti Color Romantic Room Rotating Projector LED Night Light, Decorative Light, Mood Light for Kid Bedroom, Valentine's / Christmas Gift(Purple Blue) Easy to Use - You could press the button A to get a warm color light, it is great for sleeping aid; if you want to change the color and light effects you could press the button B; the button C is for you to turn on/off rotating function; Relaxing and Joyful - Four difference light effects could give you four difference feelings, relax and relieve stress for you and your family; Usefulness - The item is suitable indoor environment, like nursery, kids room, playroom, bathroom, bedroom, living Room and also perfect for wedding and various parties; Gift - It also a great gift for your kids, partner, girlfirend or wife, suitable for many festival gift, like Birthdays, Christmas and Valentine's day; Two choice of power: The night light is powered by 4*AAA batteries( not included), or with matched usb cable. More convenient, more joy.Any other problem, please feel free to emial us.