Use this product in a dark indoor environment. This product requires a DC 5V/2A power adapter and connects with a Type-C USB cable. Precautions: Use this product in a dark indoor environment. This product requires a DC 5V/2A power adapter and connects with a Type-C USB cable. How to use the planetarium star projector lamp? The planetarium projector night light is easy to use, just 3 steps: 1 Insert the film, 2 Press the button, 3 Adjust the focus. Kids projector, easy for kids to use! Well-designed 360° rotating night light for kids and night light for kids' room! Enjoy the star light and galaxy in the bedroom! Features: 12 in 1 Astronomical Projector: with 12 display scenes: 1. The Solar System takes you to another virtual world. The galaxy near the solar system, celestial planets, dense forests, etc. can inspire children's imagination. 2. Earth 3. Moon 4. Milky Way 5. Milky Way 6. Andromeda Galaxy 7. NGC4302-NGC4298 8. Hubble Deep Field 9. M60-ucd1 10. North American Nebula 11. Mysterious Mountain 12. Small Magellanic Cloud. The mysteries of the universe can also be revealed at home! Multiple display modes are available: supports independent control of film lights (press the second button to turn on/off) and side star lights (press the third button to turn on/off/switch light modes). No noise during operation, creating a quiet sleeping environment. The fourth button can turn on/off the star rotation, and a long press for 2 seconds sets the shutdown (fixed for one hour). HD Galaxy Projector: New upgraded HD projection in 2023. Rotate the top screw ring to adjust the focal length to match the projection distance for a clear image. Supports a projection distance of up to 5M and a projection area of 134㎡. Very suitable for decorating the room. Easy for children to use: Only 3 steps to experience the planetarium visual experience: insert film – turn on the switch – adjust focus. The simple design is very suitable for children. The interesting manual changing of film discs helps children's intellectual development. A wonderful gift for children: Made of high-quality ABS material. Film imaging principle, no harm to children's eyes. 360° rotating body can project scenes on ceilings, walls, and floors. Stimulate children's curiosity and imagination – an interesting educational gift for children. Also suitable for family gatherings/home theaters/Christmas decorations/Valentine's Day gifts/room decorations. Built-in 12 film markers 1. The Solar System takes you to another virtual world. The galaxy near the solar system, celestial planets, dense forests, etc. can stimulate children's imagination. 2. Earth 3. Moon 4. Milky Way 5. Milky Way 6. Andromeda Galaxy 7. NGC4302-NGC4298 8. Hubble Deep Field 9. M60-ucd1 10. North American Nebula 11. Mysterious Mountain 12. Small Magellanic Cloud.