VGA:1280*1024 HDMI:1920*1280 4CH D1 Realtime playback simultaneously 4CH AUDIO SUPPORTED FOUR 2000G HDD SUPPORTED 435mm*415mm*103mm ●4ch HD DISPLAY DVR *HISILICON 3520chipset *D1 Realtime：total 100fps(PAL), 120fps(NTSC) *4ch video input /1ch monitor output ,HDMI output,YPbPr output, VGA output ,spot output and 4ch loop out *Support 4ch playback *2 USB port for mouse, backup and upgrade *Recording bit/frame adjustable *Support PTZ，Alarm(4ch) *Support 4ch auido in / 1ch audio output Support CMS and IE browser *Support 4 pcs 2TB SATA HDD *Support Symbian,Windows Mobile,Blackberry ,Android,and iPhone APP