The beam operates totally on the principle of light obscuration working with infrared. The OSI-RI detector is actually a put together transmitter/receiver which can be instantly connected to an clever detector circuit in LiteSpeed® or CLIP mode. Electrical power and connectivity manifest inside the imager only as well as OSID-R https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/