4CH H.264 StandAlone DVR Recorder 1)4CH 2)Standalone 3)Mouse,USB,nerwork,audio,RS485,TCP/IP 4CH,H.264 compression,VGA,support ... ,Iphone,,android ,mobile phone live view via 3G net *4ch separate video display and compression,video simutanelously*1CH Audio input ... output;*Support TCP/IP protocal,PPPOE,DDNS ,USB*support 4ch real time recording and playback*Recording bitstream/frame adjustable;*Support ...