4K/4MP non-realtime, 1080P realtime, H.265+/H.265/H.264+/H.264 video compression. 1 HDMI/1 VGA, 4ch Video in, 4 Audio in/1 Audio out, , 8 Alarm in/3 Alarm out, 1 RJ45(100M), 2 USB, Penta-brid(CVBS/HDCVI/AHD/TVI/IP self-adaptive, 4+4 IP camera input,up to 8Mp), IoT & POS 2.0