... and 2 H Dahua 4 channel network vedio recorder with HDMI,VGA,USB and POE KD-1504N-P: 4 channel@D1, 4 ... , 2 USB2.0> Support IPC UPnP, PoE (Model –P only)> Built-in web server, CMS(DSS/PSS) & DMSS ModelKD-1504N-PKD-1508N ... file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoomBackup ModeFlash drive/ USB HDD/ USB CD&DVD-RW/ Network ...