Please Long Press the ON/OOFF Buttom to Turn On the lightThe planetarium projector night lights are easy to use with 3 steps:1 Insert the film, 2 Press the switch,3 Adjust the focus.The kids' projector is easy enough for kids to use!12IN 1 Planetarium Projector: with 12 Display Scenarios：1、The Solar System Takes you to experience a different virtual world. Close to the solar system, the galaxy, celestial planets, deep forests, etc. can stimulate children's imagination.2、Earth 3、The moon 4、The Milky Way 5、The Galaxy 6、Andromede Galaxy 7、NGC4302-NGC4298 8、Hubble Deep Field9、M60-ucd1 10、North America Nebula 11、Mystic Mountain 12、Small Magellanic Cloud.You can also show the mystery of the universe at home！Multiple Display Modes Optional:Support independently control the Movie Lights (press the second button to turn them on/off) and Side Star Lights (press the third button to turn on/off/switch the light mode). No noise while working creates a soothing sleep environment. The fourth button can turn on/off the star rotation, and press 2 seconds for a timed shutdown (fixed for one hour).HD Galaxy Projector2023 new upgrade HD projection. Twist the top screw ring to adjust the focal length to fit the projection distance for clear imaging. Support up to 5M projection distance and 134㎡ projection area.