Night Owl Security L-165-8511 16-Channel DVR with 500GB HDD HDMI Output 8 Night Vision Cameras and Free Night Owl Lite App (Black) 16 Channel L Series DVR with Pre-installed 500 GB Hard Drive and HDMI Output PC and Mac Compatible with Free Control Management Software Motion Activated Recording with Email Alerts 8 Indoor/Outdoor Cameras with 480 TV Lines Resolution and 11 LEDs for 30 ft. of Night Vision Free "Night Owl Lite" App for Smartphone integration