The quiet motor rotates slowly, simulating the flow of stellar tracks, at a speed of 12 minutes per revolution and a maximum noise level of 30 decibels. With the temporary shutdown function, do not worry about wasting electricity. With 12 types of galaxy projection scenes, you can explore different virtual worlds. Turn the top ring of the screw to adjust the focus to the projection distance and get a clear image. Insert the film - turn on the projector - adjust the focus. Made of ABS material. The principle of imaging the film, does not harm the eyes. With a rotating focus of 1,5-5 m/4,92 ft-16,4 ft, applicable to different floor heights. Scenes rotating 360 can project a scene onto the ceiling, wall and floor. Slide show: Solar system Earth Moon Style of the Galaxy 1 Style of the Galaxy 2 The Andromeda Galaxy NGC4302-NGC4298 Miniature of the Universe M60-UCD1 North American Nebula The Mysterious Mountain The Magellanic Clouds Specification: Material: ABS PC Input Voltage: 5 V Rated Power: 5W Light Source: LED Projection distance: 3 m/9,84 feet Projection area: 12,5 Projection diameter: 4 m/13,2 feet Power Supply: USB Power Adapter Size: 108*109*112mm Color: White Package includes: 1x lampa projector 1x USB power cable 12 slideshows from the Galaxy series 1x instruction manual 1x cleaning cloth Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.