Uniarch NVR for IP cameras 4 CH 40 Mbps bandwidth supported Maximum resolution 8 Megapixel Compression Ultra265/H.265/H.264 Audio output VGA and HDMI 4K output 2 x USB 2.0 Poe IEEE 802.3af/IEEE 802.3at Corridor mode Space for 1 HDD up to 6 TB WEB, CMS, Smartphone and NVR interface ONVIF Compatible