... 800 ma power output to provide emergency power of video camera, also can input external power to provide power for instrument ... control rotation direction of PTZ, zoom/focus,aperture of video camera, set ball machine menu parameter, set and call preset position ... more than 20 protocols such as PELCO-D/P, Samsung, Panasonic, Lilin, Yaan, etc.customizedBaud Rate300,600,1200,2400,4800,9600 ...