... encoding streams, smart phone monitoring 4 channel full D1 DVR H.264 compression 4ch video input,1ch audio input ... monitoring(windows mobile &Symbian& iPhone&Google Android)4 CHANNEL PLAYBACK, TV,VGA OUTPUT, Simple CASE,PAL/NTSC ... PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server,ARSP IE Remote PreviewIE(need Manual Installation), ... H)Weight2.12KG(without HDD) 4 channel full D1 DVR H.264 compression