... the highest Performance/Price ratio USB2.0 8-CH realtime USB DVR. It support up to 8 CH, D1 resolution video data to ... convenient. TY309 is a low cost, high performance, 8 video input, USB2.0 interface, PC-Based DVR. It's a simple way ... 264Packing List: DevicesQuantityTY309 BOX1Video and Audio connecting cable1 (BNC*8, RCA*4)USB2.0 Cable1Software CD1System Requirements: CPUInter Pentium3 or above /ATOM ...