Product description: Light source: LED light source Lamp power: 4W Input voltage: DC5V Switch: key switch Material: environmental protection ABS Size: 20 12, 7 12.7cm 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, starry moon / underwater world / new universe / carousel, remove the inner films and close the top cover, it is also a small night light. 2.8 Color Modes Night Light: 4W wick, which could achieve better projection the projector supports 8 color light mode. You can choose the right light mode and projection film to create your favorite atmosphere. This all depends on what projection theme you are using. 3.360 Rotation Kids Room Ceiling Light: The light projector can rotate its base to create a dynamic, colorful space, bringing you a romantic feeling. It is very amazing for baby and kids. There are 3 buttons on the front of the night light lamp, you could choose different color display, light rotation and light mode. 4.2 Power Supply Modes: The night light projector can be powered by 4 AAA batteries (not included) or USB charging cable (included) to be operated at 5 V / 1A DC. You can take it outside or just decorate your living room. 5.Perfect choice for bedtime: Perfect choice for children to create a pleasant and relaxing bedtime, 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 for you to fall asleep while watching the wonderful visions.