... wireless Audio Video Transmitter,digital display,transmission is 1600m in open fields. 1.2G 8CHS 800mW wireless Audio Video Transmitter(FOX-800A) ... Feature:Digital play,8CH transmitter,credibility,synchro transmitting AV siganl,use for ... supply.One of the line's points connecting to transmitter,another has 4 plugs(red,yellow,white,black).Red ...