... is a seamless scaler/converter/switcher LED Video Processor CK4L3000P specifications: Input signalCVBSx 3BNC, female, CVBS x 3, support ... ×50Hz/59.94Hz/60HzOutput signalVGAx 1VGA x 1 (15 pin D-Sub), for monitoring, R,G,B = 0.7 V (p_p ... save/recall, etc.RS232x 1 RS-232, 9-pin female D connector, support the third party controller systemIR remoteIR remote controller ...