Lorex ECO 16-Channel Security DVR with 8 Indoor/Outdoor Security Cameras real-time recording on 16 channels at 340X240 resolution 1 terabyte 24/7 100% duty cycle hard drive pre-installed, expandable up to 4TB Indudes USB mouse, remote, ethernet cable, power supplies and 8 60ft. BNC/power cables, one for each included camera Free Lorex DDNS service for guaranteed remote connection Simultaneous viewing, recording, playback, backup, and setup