Product name: WDT-1004 MPEG-4 compressing format PAL 25 frame NTSC 30 frame Support IE browse. Built-in web server Support Win2000/XP Product name: WDT-2016 MPEG-4 compressing format PAL 100 frame NTSC 120 frame display: 352x288, 768x288,768 x576 supply 4-16 lines input of video Support IE browse. Built-in web server Support Win2000/XP Product name: WDT-2116 MPEG-4 compressing format PAL 200 frame NTSC 240 frame display: 352x288, 768x288,768 x576 supply 8-16 lines input of video Support IE browse. Built-in web server Support Win2000/XP