1. H.264 compression format 2. network and PTZ support 3. Support Iphone, Blackberry ... mobile view Product description: H.264 8 ch dvr with network and PTZ support Model: ELP-DVR 9108 ... 200FPS/PAL CIF 352X240 240FPS/NTSCBackup DeviceUSB2.0 Flash or network, DVD, CDPTZ ControlSupportNetwork functionTCP/IP, PPPoE, DHCP, ... lens, cctv accessory etc. H.264 8 ch dvr with network and PTZ support ELP-DVR9108