This document provides specifications for an MD044-K 4 channel H.264 CIF DVR. It can simultaneously record, playback, and transmit video over the network from 4 channels at CIF resolution. It supports 1 SATA HDD up to 2TB for storage and has features like motion detection recording, remote viewing via Windows, Android, and iOS mobile devices, and backup to USB devices or over the network. It uses an embedded Linux operating system and H.264 video compression.