AXIS FA54 MAIN UNIT - AXIS FA54 is a modular camera Main Unit and can stream full frame rate HDTV 1080p videos from four sensor units simultaneously using one IP address. It has an HDMI port for connection to a surveillance or public view monitor, Forensic WDR (wide dynamic range) that is optimized for low light and motion, Axis Zipstream, two microphone inputs and one audio out, I/O port and two micro SD card slots for local storage.