This document provides the technical specifications for ZICOM hybrid DVR surveillance systems. It describes the main features such as real-time encoding up to WD1 resolution, simultaneous HDMI, VGA and CVBS outputs, 1 network interface, support for protocols like HTTPS, and functions including recording, playback, backup and network operations. The document also lists details about panels/interfaces, specifications for models with 4, 8 and 16 channels, and general dimensions/weights.