Speco Technologies - 6 Channel Hybrid DVR with Smart Analytics, 4 Configurable Hybrid Channels (TVI or IP) plus 2 IP Channels, Embeded Linux, Standard H.265, BNC x8, Supports up to 5MP (HD-TVI + IP) on all channels and 4K (IP) on 1channel , 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, Remote viewing via web browser, your Apple TV, Amazon Fire TV, or your mobile device, Rack ears included, 1 SATA port for up to 16TB of storage, 1 eSATA port for an additional 8TB of storage, Supports different recording types: Continuous, Motion, Analytics, and Sensor, NDAA, DC12V/4A.