Product description: Light source: LED light source Lamp power: 4W Input voltage: DC5V Switch: key switch Material: environmental protection ABS Size: 20 12.7 12.7 cm Packing: 1 * star lamp, 1 * USB cable, 1 * 4 lamp, 1 * manual 1. Starry Sky Projector Lamp: New Upgraded 4 in1 Themed Modes Design, 4 Different Projection Films, Star Moon / Underwater World / New Universe / Carousel, remove the inner film and close the top cover, it is also a small night light. 2. 8 color modes night light: 4W wick, which could achieve a better projection the projector supports the 8-color light mode. You can choose the right light mode and projection film to create your favorite atmosphere. It all depends on which projection theme you are using. 3. 360 rotation children's room ceiling light: The light projector can rotate its base to create a dynamic, colorful space that gives you a romantic feeling. It is very amazing for baby and children. There are 3 buttons on the front of the night lighting lamp, you could choose different color display, light rotation and light mode. 4. 2 power supply modes: The night light projector can be operated with 4 AAA batteries (not included) or a USB charging cable (included) with 5 V / 1A direct current. You can take it outside or just decorate your living room. 5. Perfect choice for the night: Perfect choice for children to create a comfortable and relaxing bedtime, to calm and comfort children. The night lamp is very quiet when lighting or projecting. It would not make any noise when the baby is sleeping, and it is also very helpful if you fall asleep while looking at the wonderful visions.