CCTV PTZ Tester: 3.5"TFT-LCD, LCD Brightness/Contrast/Color Saturation adjustable: PTZ controller,PTZ data analyst. ... 3) The CCTV transmitting channel testing 4) PTZ controller3.5"TFT-LCD , 960H×240VresolutionDC12V power outputAudio inputAdjustable brightness, contrast, color ... (Auto Adjust)Display3.5 inch TFT-LCD ,960 x 240 resolutionLCD adjustAdjustable brightness, contrast, color of LCDVideo IN/ ...