... working HDD hibernationg,HDD faulty alarm,Raid functionPowerful network software:built-in web server,multi-DVR client &SMS ... Networking access for remote live viewing,recording,playback,setting,system statu,event log,email & ftp functionSupport DHCP / PPPOE / ... functions, support WEB client, standalone client and SDKWith the sound system for the protection circuit, unique triple watchdog function, ...