16 Channel , Camera Compatibility AHD 720P/AHD 1080P/HDCVI 720P/HDCVI 1080P , 1x15pin D-sub , 1xHDMI , 1xAudio-In , 1xAudio-Out , 1xUSB 2.0 , 1xUSB 3.0 , 1xRJ45 , DC 12V, 3A