Night Owl 8 Channel 960H DVR with HDMI, 1 TB HDD and 4 x 900 TVL Cameras (100ft NV) 960H 8 Channel DVR with pre-installed 1TB hard drive Free Night Owl Pro app for Smart Device integration 900 TV Line Cameras with 100 ft. Facial Recognition 4 x Indoor/Outdoor 900 TVL cameras with 100 ft. night vision Widest Angle Viewing Capabilities