http://www.alibaba.com/rss/product_search/audio net.rss Marketplace of export & import, offers company directory, catalog, trade leads to importer, exporter, manufacturer, wholesaler. en-us alibaba http://www.alibaba.com/product-gs/275845868/8_CH_HD_NET_DVR_CARD.html 8channels full D1 Real-time DVR Card <br>Hardware compress <br>Chip: PHILIP PNX1701 <br>8CH Video input <br>8CH Audio input