CPD546 is a 8CH H.264 real time Digital Video Recorder. It greatly maximizes the video quality and minimizes the file size (expand the storage capacity) with the feature of H.264 video compression technology. To quickly backup, a USB port is built in for your onvenience, or the network backup is also available. It also supports the direct connection to SATA HDDs and LCD monitor (resolution up to 1600 x 1200). SATA HDDs and LCD monitor (resolution up to 1600 x 1200).