The FST-951R intelligent addressable detector from Honeywell NOTIFIER functions issue ID capability that permits Just about every detector address for being established with rotary handle switches to provide precise detector spots. The 302-ET-194 Thermotech level-anticipation heat detector from Honeywell NOTIFIER operates in a managed number of two to three degrees https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/