Featuresr vision 720s can work as a displayer equipped with av in and fpv in easy to connect with the dvd tv box for psp fpv etcr 40 channel 5 band 8 channel real time video transmission 58ghz wireless signal supports more than 200 meters effective distancer 68 inches 43 large virtual screen in the 2 meters distance no radiation full color lcd micro display physical resolution is up to 654 480 wvgar an included comfortable peripheral eyepatch offers you long time wearing c