Specification Binding : Electronics Brand : Night Owl HardDiskSize : 2.0 Label : Night Owl Manufacturer : Night Owl PackageDimensions_Weight : 2.14 PackageDimensions : L:10.0 X W:9.5 X H:1.8 ProductGroup : Photography ProductTypeName : DIGITAL_VIDEO_RECORDER Publisher : Night Owl SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31akcYIi48L._SL75_.jpg SmallImage_Width : 75 Studio : Night Owl Title : Night Owl 2-Way Audio 8 Channel 4K Video Home Security DVR with 2TB Hard Drive (Add up to 8 Total Cameras) (20 Channel) Weight : 2.1 WeightUnit : pounds