GeoVision DVR Cards provide users with the most advanced technology and features security surveillance systems have to offer. GeoVision Security Surveillance Systems utilize the most advance digital video compression technologies to bring you the highest picture quality and video performance. The GV Series product range starts from the entry level GV-250 to the flagship GV-1480. Up to 32 cameras can be connected and view live on a local monitor screen or thru TCP/IP network. Building your own Digital Video Recorder using a GeoVision DVR card has never been so easy or affordable. When you order GeoVision products from Active Vision you get the satisfaction of knowing all cards and accessories come brand new with all of the orginal contents. We are an authorized GeoVision distributor which means all DVR cards are authentic, genuine and come with the latest DVR software CD/DVD.