Record from and manage up to 8 cameras with the NRL Series 8-Channel 8MP NVR with 4TB HDD from Speco Technologies at resolutions up to 3840 x 2160. Preinstalled with 4TB of HDD storage, the recorder can be expanded to host one SATA HDD with a maximum internal capacity of 14TB. H.265 and H.264 compressions keep file sizes manageable while maintaining the best quality possible. Two-way audio communication is supported. This NVR supports simultaneous HDMI and VGA outputs, as well as up to 10 users. It complies with ONVIF version 2.3 for interoperability with cameras that are ONVIF compliant.