The beam operates primarily on the theory of sunshine obscuration utilizing infrared. The OSI-RI detector is actually a merged transmitter/receiver which can be right linked to an clever detector circuit in LiteSpeed® or CLIP manner. Electric power and connectivity manifest in the imager only and the OSID-R only requires a https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/