4 channels network DVS: H.264/MPEG-4. convert analog signals to digital signals. dual audio supported 4 BNC port,1RJ45 4 channels network DVS:4 channel network DVS adopts embedded LINUX operation system, with high integration,high reliability, high stability and industrial MTBF. Advanced H.264/MPEG-4 video compression ensures more clear and fluent video transmission. Built-in Web Server makes it ...