HDView H.265 32 Channel HD Megapixel NVR, 16 Channel PoE Ports, 4K HDMI, Up to 8MP ONVIF IP Camera, Support 4 HDDs, VCA Intelligent Analytics H.265/H.264 4K Intelligent NVR 32 Channel NVR, 16 Channel POE Ports, Support 8MP/5M/4M/3M/2M/1.3M IP Cameras, Real Time Recording, 4K HDMI Video Output Advanced Mobile Phone App, No Hard Drive Installed (Support 4 hard drives) Intelligent Analytics: Object Detection, Exception, Tripwire, Intrusion The latest ONVIF version