You can play on your mobile phone video / movie projected onto the wall， providing eight times the image to enlarge， becoming a small home theater.SmartPhone Projector 2.0 products include free installation projector box， zoom lens and some other parts of the device， easy to assemble. Product Information: Packing size: 19 * 18.2 * 11cmNote: 1) The first product is positioned as an entertainment device， just a simple projection device toys， certainly no more than $ 70 worth of good projector effect. Do analogy， very mind carefully shot quality; 2) projected better results in the white walls， the darker the better indoor environment. Began to feel the screen is dark， there must be a time to adapt; 3) video with subtitles， subtitles can not be a positive display， showing the Backward.When in use， the iPhone or Android smartphone into them， put away， pushed to watch. According to the principle of a magnifying glass， the image is reversed， not a quality problem， but you can adjust according to the situation: 1) If the image is upside down， flip the phone can directly; 2) If the graphics around upside down: (a) to the Android phone can \"google play \"download\" ultimate rotaion contro \"software to control the image flip. (b) iPhone mobile phone， the phone through the \"Settings\" - \"General\" - \"Accessibility\" - \"assistive Touch\" - Equipment - rotation - Horizontal left / right to adjust the horizontal. (The box has instructions)