... Powerful network software:built-in web server,multi-DVR client &SMS Networking access for remote live viewing ... T-Chinese and Turkish.SystemModelKDM-6461AMain ProcessorHigh performance embedded microprocessor HI3515Operating SystemEmbedded LINUXSystem ResourcesPentaplex function:live,recording, ... movable HDD/SATA HDD/DVD-RWInterfaceVideo Input4channelVideo Output2 channel TV output BNC,1.0Vp-p,75Ω,1 ...