The DVC1612 supplied by VideoSecu is top of line, high definition video audio capture DVR card. This DVR card is a PCI Card installed in a PC that will display and record live video from the cameras connected. It has 16 channels video input, 4 channels audio input. You can view 4, 8 or 16 channels video simultaneously on your monitor. Advanced event search feature is available, search recorded files by year, month, date, hour. You also can view them through web, no additional software to install and configure. It supports AVI file back up, full remote capabilities (PSTN, ISDN & LAN network), remote control (pan, tilt, and zoom control), 3 levels of password protection. The advanced MPEG-4 video format gives longer recording time and simultaneously gives a stunning image quality, record resolutions up to 640x480 NTSC. Recording mode: schedule recording mode, recycling recording method available. This listing is for hardware only. Software is free. Intensive PC and CCTV technical knowledge and experience are required for installation. Installation support is not included. It works with Intel PC with Windows XP and 2000, 98. It does NOT work with Windows 7 and Vista 64 bit. AMD computer will not work. Please check your PC before making the purchase. We are not responsible for compatibility issues. Package contents: 16 channel DVR video capture card, software and manual on CD. Package includes: 1 x 16 channel PCI DVR Card, software, manual and 2 x VGA to BNC/RCA Pigtails.