4M-N/1080P non-realtime, 720P realtime, H.265+/H.265/H.264+/H.264 video compression. 1 HDMI/1 VGA, 16ch Video in, 1 RJ45(1000M), 16 Audio in/1 Audio out, ,2 USB, 16 Alarm in/3 Alarm out, Penta-brid(CVBS/HDCVI/AHD/TVI/IP self-adaptive, 16+8 IP camera input,up to 6Mp)