... signal generation,RS485 data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera tester,function of cctv tester, portable ... rechareable time, work for 5 hoursLow consumptionSleeping mode availablework Temperature-30 to + 70Dimension170 x 99 x 48mm 2.5 inch TFT LCD PTZ RS485 ...