How to Use This Planetarium Star Projector Lamp? The 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! A thoughtful 360° Rotating night light projector for kids & night lights for a kid's room! Enjoy stars & galaxy of the star lights for the bedroom! Features - 12IN 1 Planetarium Projector - with 12 Display Scenarios： 1、The Solar System Takes you to experience a differen