AXIS F44 Main Unit supports up to four AXIS F Sensor Units for surveillance of four closely situated areas. The main unit can be installed in a sheltered area, while the sensor units can be placed in tight places indoors or outdoors up to 8, 12 or 15 m (26, 39 or 49 ft.) away, depending on the sensor unit and if a cable accessory is supported. The rugged and feature-rich AXIS F44 Main Unit is suitable for a variety of demanding applications, from stores and ATMs, to emergency vehicles, buses and trams. - Supports four sensor units - Streams 1080p/HDTV 720p videos from four sensor units simultaneously - Quad view stream - Wide Dynamic Range – Forensic Capture - Axis’ Zipstream technology - Rugged, easy-to-install design - Two-way audio, input/output ports, two SD card slots