The AXIS F41 Audio-Video Recorder is used with the AXIS F camerafor very inconspicuous surveillance. Simply install the main unit in a secluded location, while placing the AXIS F camera in a concealed place, inside or outside. Depending on the cameraunit, the AXIS F41 Audio-Video Recorder can be placed up to 15m away (26, 39 or 49ft). The AXIS F41 main unit is tough and has many features, making it ideal for challenging environments such as casinos, stores, ATMs and in vehicles. The AXIS F41 Audio-Video Recorder features Axis’ Zipstream technology, which can lower storage use by an average of 50%.