CCTV Tester 1.3.5"TFT-LCD 2. Video Signal Intensity ... and can test the fibre-optical power .CCTV Tester, CCTV Security tester, Ethernet cable tester, Network cable tester ,PTZ tester, CCTV Camera testerTechnical Parameter ModelST-895Video Signal TestingVideo ... COperating Humidity30%-90%Dimension176mm x 94mm x 36mm CCTV tester 3.5" TFT-LCD Tester with Monitor PTZ Controller Video signal generator ST ...