... performance Dual-core embedded microprocessorOperating SystemEmbedded LINUXSystem ResourcesPentaplex function: live, recording, playback, backup & remote accessControl ModeFront panel, USB mouse, IR ... IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote ... 440mm×100mm(W×D×H)Weight6.0KG(without HDD) cctv nvr system