IP Server(TT-IPVS001)- H.264 compression, best for Internet video Streaming - No Static IP address required, No DDNS service needed. - D1 Resolution. - Support Win CE based PDA and Mobile Phone local and remote viewing. - Support SD/SDHC card recording, NAS recording, NVR recording, and remote view and recording. - Multi-streaming capability. - Support UPNP protocol. - Support DHCP, Static IP, PPPOE internet enviroments. - NVR support 128 cameras' D1 video recording in LAN. Can manage numerous IP cameras depending on the NVR PC's ability. - 3 Level (High, Middle, Low) user priority management.