Fire Angel Optical Smoke Alarm 5 year lifetime battery 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. Sleep easy function � silence low battery warnings for 8 hours

Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.