Fire Angel Mains Optical Smoke Alarm

Mains powered protection with back-up battery included. |Designed to make protecting your home simple, with easy install and rigorous testing by independent parties, such as BSI Kitemark, to ensure quality and longevity.|Optical sensing - a fast response to slow burning fires.|Testing made simple with large self-test button. Mains Optical Smoke Alarm Mains powered protection with back-up battery included. |Designed to make protecting your home simple, with easy install and rigorous testing by independent parties, such as BSI Kitemark, to ensure quality and longevity.|Optical sensing - a fast response to slow burning fires.|Testing made simple with large self-test button.