The Avigilon Alta Bullet and Avigilon Alta Bullet Cloud cameras are adjustable at installation to provide the best field of view for each location. For audio detections, these cameras feature a four-way microphone array to provide feedback on the location of the source of the audio. Bullet cameras are used where you need to monitor large areas. This could be a wide area such as a parking lot, where the Avigilon Alta Bullet Wide is useful.