VideoSecu 4 channel USB 2.0 DVR is ideal for home/office/shop guard or baby care purpose; Users can turn your own PC into a digital video recorder with this USB 2.0 DVR. It is the cost-effective solution to replace expensive recorder. You can even access surveillance video over the Internet when you're away. Attach this to your desktop or laptop USB port and you have a full featured 4 channel security DVR, including network remote view through IE browser or remote client. Notice: This listing is for hardware only. Software is bonus. Intensive PC and CCTV technical knowledge and experience are required for installation. You need provide your own PC and monitor. It works with Intel PC with Windows XP and 2000, 98. It does not work with Vista 64 bit. Prefer Windows XP. Windows 7 not officially supported. AMD computer will not work. Please check your PC before making the purchase. We are not responsible for compatibility issues.