1.2G 8CHS 800mW 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 ... .Meanwhile,push it and last several seconds,can colse the digital play and turn into saving power model.Then push it ...