Wireless monitoring PowerG wireless engineering back links on the intruder panel, alerting you and our checking centre of any troubles They’re also supported by PowerG wi-fi know-how, enabling our smoke detectors to immediately alert you and our Checking Centre, who reply in an average of just eight seconds*. Doorway alarm https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/