The beam operates primarily on the theory of sunshine obscuration utilizing infrared. The OSI-RI detector is usually a mixed transmitter/receiver which might be immediately linked to an intelligent detector circuit in LiteSpeed® or CLIP method. Energy and connectivity come about in the imager only along with the OSID-R only demands https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/