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