cctv systems 16ch 1).Certificate:CE FCC ROHS 2). ... dvr usb network dvr cctv dvrFeaturesD1*4CH, RS485, PTZ, Alarm, NetworkVGA, USB Backup, USB MousespecificationModelLS-9316HCompression FormatH.264Video SystemNTSC ... ViewYESVideo AdjustableHue /Saturation /Contrast /Brightness adjustPTZ ControlYES, built-in RS-485 portLog record functionYESImage TourYESSNS softwareYESPower-down recovery functionYESKey ...