... level, level 6 is the best)Recording ModeManual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), ... drive / USB HDD / USB CD/ Network downloadNetworkEthernetRJ-45 port (10/100/1000M)Network FunctionsHTTP, TCP/IP, UPNP, RTSP, UDP, SMTP ... weight:2.2kg (Exclude HDD) 4ch stand alone DVR with H.264 dual-stream video compression,4 Channel D1 real-time preview ,