1.H264 CCTV 4ch 3G mobile DVR 2.120 days continuous recording 3 ... . PTZ control 4ch H.264 3G mobile DVR·4 channels CIF Real-time recording and 4 ... PTZ movement, tour, alarm, email. ·8 users network view simultaneously·Network Protocols: SMTP,UPNP, DDNS, PPPOE, etc·sending ... ,CD/DVRD-RW·Six operations: preview, recording, playback, network transmission, backup and mobile control· English, Thai, Russian ...