SH-4100A5N-2L(MM) Video: Input: 4CH AHD Standard BNC + 2CH IP (Over Network) Output: HDMI(1920x1080), VGA (1280x1024, 1024x768)  Recording: IP: 3MP and lower: 30/25FPS Per Channel AHD: AHD 2MP lite / 1MP: Up to 30/25FPS Per Channel TVI: 2MP lite / 1MP: Up to 30/25FPS Per Channel CVI: 2MP lite / 1MP: Up to 30/25FPS Per Channel CVBS: 960H: Up to 30/25FPS Per Channel Playback: 4 Channel Simultaneously Audio: Input: 1 Channel (RCA) Output: 1 Channel (RCA) 2 Way audio Storage: 1 x SATA (Up to 6TB) USB Port: 2 x USB2.0 Network: RJ-45: 100Mbps PTZ / Keyboard: Supported Protocols: Pelco D, Pelco P, Samsung, Visca, ONVIF, CoC