4K/4MP non-realtime. 1080P realtime. H.265+/H.265/H.264+/H.264 video compression. 1 HDMI/1 VGA. 16ch Video in. 16 Audio in/1 Audio out. . 16 Alarm in/3 Alarm out. 1 RJ45(1000M). 2 USB. Penta-brid(CVBS/HDCVI/AHD/TVI/IP self-adaptive. 16+16 IP camera input.up to 8Mp). IoT & POS 2.0