CCTV Tester, PTZ tester 1.Support audio test function. 2.Can control PTZs and cameras. 3.OSD edit menu, CCTV Tester, PTZ tester ... Description CCTV Tester, PTZ testerPortable tester with monitor ... P,PELCO-D,KALATEL,SAE,etcprotocol.Can control PTZs and cameras.Working style:DC9V,2A power supply and 2x1400MAH Li battery ...