Typical units are spending budget-pleasant choices for scaled-down properties such as coffee retailers or retail retailers because the upfront Charge is significantly less. 9. Addressable smoke detector vs typical smoke detector. Which is best? The PAD200-DUCTR is made and created to satisfy all neighborhood needs, in addition to the NFPA https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/