You are bidding on one used Night Owl 4 Channel Hybrid 4K Security DVR-H2T80B-41 H2THD 8.0 with 1TB HDD 4CH. It was tested and is fully functional and comes with ac adapter. The unit was opened and harddrive was previously replaced. See photos. Please email me if you have any questions or concerns. Thank you & be sure to check out our other auctions.