... size. 2.Multiplex Operation system 3.CMS Software Support multiple DVR connection Features: Creative all-in-one design, screen panel control ... network operation.Video CompressionH.264Audio CompressionG.711ARecording ModeManual, Timing, Alarm, Motion detectionSearch ModeBy time, event, channel, logBackup ModeNetwork ... Supply12V 4A RY-6818HM H.264 CCTV network 8CH HD all-in-one digital video recorder