... streams, smart phone monitoring 4 channel full D1 DVR H.264 compression 4ch video input,1ch audio input,1 SATA HDD support,USB ... , smart phone monitoring(windows mobile &Symbian& iPhone&Google Android)4 CHANNEL PLAYBACK, TV,VGA OUTPUT, Simple CASE,PAL/NTSC Support Multi ... & Exact search(accurate to second)Auxiliary Interface2 USB 2.0 Flash drive(1 for backup,1 for mouse,1 option) Network InterfaceRJ-45 ...