With its field-primary optics, the Ampac Beam Detector is Preferably suited for the security of enormous locations where the usage of conventional detection systems would demonstrate to be way too tough and/or highly-priced to put in. Unwanted alarms a result of the beam being entirely obscured for a brief time https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/