4ch video server,digital video server,network server,ip video server H.264 built in SD card RS485 FS-DVS0404 is ... *240(2CIF),704*480(D1)Video ParametersBrightness, Hue, Contrast, Saturation, Image qualityStreaming Format Optional Video Streaming or Audio &Video composite StreamingVideo Frame RatePAL: 1 ...