Night Owl 4 Channel Smart HD Video Security System with 1 TB HDD and 4 x 1080p HD Cameras 4 Channel 1080 p AHD DVR with pre - installed 1TB hard drive  4 x Indoor/Outdoor Hi - Definition 1080 p bullet camera Wide Viewing Angle Cameras with night vision up to 100 ft.  No re - wiring required, use your existing analog cables Backwards Compatible - Compatible with both Night Owl HD analog and industry standard analog BNC cameras  View & Playback footage directly fro m your Smart Device  Easy setup in less than 2 minutes