The DVC403 supplied by VideoSecu is a high-end, 4 channel high definition video capture DVR card. It can be installed in a PC that will display and record live video from the cameras connected. The video capture card can simultaneously record and monitor 4 cameras. The advanced MPEG-4 video format gives longer recording time and simultaneously gives a stunning image quality. The video motion detection mode helps this DVR system from storing unnecessary video. 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. Record mode: 24 hour motion detection recording (all cameras), Pre-alarm recording, Alarm input recording. 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. System requirement: Intel base PC, P III or better; Motherboard: Intel 845 chipset and above; VIA chipset or AMD not recommended; 256MB RAM; 80GB hard drive in two partition, or two hard drive; Windows 98, 2000 or XP. Package contents: 4 channel security system DVR video capture card, software and manual on CD.