... resolution.Video Test UTP cable test,Video signal generation cctv Tester CCTV Tester 2.5" TFT-LCD , 960(H)×240(V)resolution ... data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera tester,function of cctv tester, portable tester,PTZ TesterFeature2.5 ... Batteries more reliable, and work 5 hoursSpecification: ModelCCTV tester JE-MKM310Signal modeNTSC/PAL Auto suitableDisplay2.5" TFT ...