Digital Video Recorder MPEG4/H.264 compression Real time25f/s/ch,total 100f/s Support TCP/IP protocal,USB backup; Digital Video Recorder 4ch,MPEG4/H.264 compression,support SATA HardDisk, Mouse,with VGA,USB,network,RS485 PTZ controll,IE browse,VFD screen,support DVD/CD backup*PHILIPS PNX 1701 Chip*Real time25f/s/ch,total 100f/s*4ch A/V compression simutaneously;*Support TCP/IP protocal,USB backup ...