... PTZ Controlling and test UTP cable test Video singal generator 3.5 INCH CCTV testerProduct Description CCTV tester, project tester, ptz tester ... TesterVideo Test + multimeter+optical meterSignal modeNTSC/PAL (Auto Adjust)Display3.5 inch TFT-LCD ,960 x 240 resolutionLCD adjustAdjustable brightness, contrast, ... ---+70Work Humidity30%-90%Dimension/Weight175mm x 94mm x 36mm 3.5 inch CCTV Tester,RD-T604