Buy on Amazon : br br Night Owl Security L-45-4511 4-Channel 960H DVR with 500GB HDD HDMI Output 4 Night Vision Cameras br br 4 Channel L Series DVR with Pre-installed 500 GB Hard Drive and HDMI Output br 960H Recording Resolution 960 x 480 and Free Night Owl Lite App for Smartphone integration br PC and Mac Compatible with Free Control Management Software br Motion Activated Recording with Email Alerts br 4 IndoorOutdoor Cameras with 480 TV Lines Resolution and 11 LEDs for 30 ft of Night Vision