The beam operates totally on the principle of sunshine obscuration working with infrared. The OSI-RI detector is actually a combined transmitter/receiver which might be specifically connected to an clever detector circuit in LiteSpeed® or CLIP method. I agree to Ampac giving software program updates, products updates, provides and promotions by https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/