... ,Rohs certification 64inputs 16 outputs CCTV matrix switcher We provide 2U/4U/8U Matrix switcher with standard 3-Axis keyboard ... BNC output for separate camera output, then connect directly with matrix to invoke, can save display device or monitor.Can ... composition , upgrade anytimeStandard 3-Axis keyboard that can control matrix and DVR meantimeSet DVR video input channel separatelyCan be connected ...