Speco Technologies - 16TB, 4 HD-TVI Ch. plus 2 IP Ch, 2MP Hybrid DVR with Smart Analytics, Embedded Linux, BNC x 8, H.265 compression - Store up to 2x more than H.264, HDMI out and VGA monitor output, Object and line crossing detection and alerts, Smart Search - Specify a region on the camera view and search on changes in that area, 2-way audio communication, Alarm 4/8/16 inputs, 1/2/4 outputs, Remote viewing via web browser, your Apple TV, Amazon Fire TV, or your mobile device, 1 SATA port for up to 16TB of storage, NDAA, DC12V/2A.