... 4 channels dvr card dvr card, capture card, H.264, CCTV dvr card, PTZ control, security card, motion detection, missing object 4 channels dvr card dvr card, capture cardDUAL ... view(DDNS)Router setting is not needed(UPNP)Techwell 6815 chipset, 10 bit video decoderAdopt advanced digital video ... Protocol :TCP/UDP,Support IE browser,client site software,built-in DDNSSystem RequirementsCPU: Intel Celeron D ...