... cctv dvr card,16 channel dvr card,security dvr card,cctv system,pc dvr card,digital video recorder card,video capture card,digital video recorder card,surveillance equipment ... CH (can build 32CH from 2pcs.)Audio Input(s) 4CH External Monitor 1 CH TV-OUTCapture Rate (max) 480 ... Installing Two cardsP/T/Z Control 1-16CH, RS422/RS485.Video Resolution NTSC: 640x480,320x240, 160x120. PAL: 768x576,384x288, ...