The FireAngel FA6620 Optical Smoke Alarm is a reliable and essential safety device for any home. With a 10-year battery life and the convenience of a test/silence button, you can rest assured that you and your family are protected. This single pack smoke alarm in white colour is easy to install and powered by a single battery, providing peace of mind knowing that you are alerted in case of a fire. The photoelectric sensor ensures accurate detection, making it a trustworthy choice for fire safety in your household.