Pelco C3667M is a digital video management system that enables users to connect and manage multiple video cameras, audio inputs, and other devices. It features a variety of input and output connectors, including VGA and DVI for monitors, audio inputs and outputs, analog camera inputs, USB ports for PTZ cameras and other devices, a 1394a Firewire port, keyboard and mouse connectors, network and alarm inputs, and a power switch. The system also supports RAID storage for data redundancy and security.