... ,scan,auto pan,auto tour,pattern,auxiliary function supported9.Easy backup methods: USB devices,remote network and client software ... HDD hibernationg,HDD faulty alarm,Raid function12.Powerful network software:buile-in web server,multi-DVR client &CMS ... technology,HDD faoulty alarm & Raid(Redundancy)Backup ModeNetwork download/Flash stick/DVD-RW/movable HDDInterfaceVideo Input8ch16chVideo Output2 channel ...