Features High picture quality Digital Video Card Preview resolution and recording resolution both reach D1(720*576) Adopt super CONEXANT 23881 chip PIC-E slot Latest H.264 compression format Real time solution Can fulfill high picture solution needs such as highway and bank Specification Video Inputs:4 Channels ( Type:DB15*1 ) Audio Inputs:4 Channels ( Tupe:DB15*1 ) Display Rate:120fps( NTSC),100fps( PAL) Recording Rate:120fps( NTSC),100fps( PAL) Compression Format:H.264 Preview Resolution:720*576 Recording Resolution:720*576 License Software with direct IE Browse OS:Windows 2000/XP