The HDR Series recorders are H.264 Real-Time 8 and 16-channel digital video recorders based on an embedded Linux operating system. The units are designed for real-time 240/480ips Full Triplex and recording capabilities for eight and sixteen channel video and two audio inputs. The units record up to 480 images per second and offer selectable CIF, 2CIF and 4CIF record resolution (horizontal 672- or 336- pixels), high image quality, and simple file archive using the internal DVD-RW, USB port for flash drive (thumb-drives), external USB hard disk, CD-RW or DVD-RW drive. The recorders are the most cost effective solution for providing quality video security recording and storage. The units are expandable up to 6TB of HDD storage and include an IR remote control.