The beam operates primarily on the theory of sunshine obscuration utilizing infrared. The OSI-RI detector is often a combined transmitter/receiver which can be instantly connected to an smart detector circuit in LiteSpeed® or CLIP manner. I agree to Ampac offering software package updates, product updates, offers and promotions by way https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/