1)Motion detection alarming, video loss alarming etc.
2)Multi-streams supported.
3)Local storage by 2.5" SATA hard disk and SD card.
4)Two-way audio.
5)2 channels D1, full frame rate, real-time, H.264/MPEG-4 supported.
6)Multiple network protocol : TCP/IP, PPPoE, DDNS, http, ftp, SIP/RTP/RTCP, XML etc.
7)Free client software.
8)Professional and customizable SDK.