Canon VK-16 v2.0 is a powerful network video recorder that allows you to connect and record video from up to 16 cameras. It supports live viewing and recording of up to 640 x 480 resolution at 30 frames per second. You can also record up to 30 seconds of pre-event and 999 seconds of post-event footage. The VK-16 v2.0 is compatible with Windows 2000, XP, and Server 2003 operating systems. It also supports NAS (Network Attached Storage) for expanding storage capacity.