The FST-951R clever addressable detector from Honeywell NOTIFIER functions point ID ability that enables Every single detector address being set with rotary tackle switches to provide actual detector destinations. The FSP-951 photoelectric detector’s distinctive optical sensing chamber is engineered to perception smoke produced by a wide array of combustion sources. https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/