CCTV Tester: 2.8"TFT-LCD, LCD Brightness/Contrast/Color Saturation adjustable;PTZ controller,PTZ data ... testing 4) PTZ controller 2.8"TFT-LCD , 960H×240Vresolution Adjustable brightness, contrast, color of LCD Video Level testing, video signals ... Security TesterVideo TestSignal modeNTSC/PAL (Auto Adjust)Display2.8 inch TFT-LCD ,960 x 240 resolutionLCD adjustAdjustable brightness, contrast, color of ...