The detector comes with a independent controller device which permits engineers to Fee, monitor and retain from ground amount. Detection assortment is 70 m with the common unit, rising to 140 m or one hundred sixty m Using the addition of your medium or prolonged-assortment reflector kits. The 302-ET-194 Thermotech https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/