CCTV PTZ Tester: 3.5"TFT-LCD, LCD Brightness/Contrast/Color Saturation adjustable: PTZ controller,PTZ data ... camera and All in one camera testing 3) The CCTV transmitting channel testing 4) PTZ controller 3.5"TFT-LCD , 960H×240Vresolution DC12V power ... output Audio input Adjustable brightness, contrast, color of LCD Video Level testing, ...