Encoder 16CH H.265/H.264/MJPEG Supports: AHD CVI TVI and CVBS (AUTO) Up to 5MP@12fps 4MP@15fps 2MP@30fps RS-485Interface Coaxial Control: Pelco C when using CVBS or ACP up-coax protocol @ AHD ONVIF Profile S support 1 HDMI OUT (16 multi Image 1920x1080) I/O 16/4 Audio in/out 4/1