Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Usage of the phone on the projector， and requires no power supply.You open the package to see is a cardboard letters are marked with numbers. For example， A1-A1， B1-B1， you need to use the Black & Decker glue or double-sided adhesive to glue can be good. It is very simple to assemble. Refer to the video installation method.Inner box can be pulled out， inserted， used to adjust the focus. Recommendation from the lens away from the wall of 1-2 meters.After installing， 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 can be adjusted depending on the circumstances: 1) If the image is upside down， flip the phone to direct; 2) If the graphical reversed left to right: (a) to Andrews phone system can "google play "Download" ultimate rotaion contro "software to control the image reverse. (B) iPhone mobile phone， the phone through the "Settings" - "General" - "Accessibility" - "assistive Touch" - equipment - Rotation - Horizontal left / right to adjust the horizontal. (A note in the box)Product SpecificationsMaterial: cardboardWeight: 0.45kgSize: 17.5 * 16.5 * 10.5 cmWeight: 16.92kgPacking quantity: 36Carton: 60 * 57 * 47 cm