The FireAngel Smoke Alarm SB1-R is a white smoke detector with a 9V power source and a 1-year battery backup. Manufactured in 2023 in the United Kingdom, it is compatible with Google Home for smart home integration. This alarm features a rechargeable battery, making it a convenient and reliable choice for home security. With a manufacturer warranty of 3 years, the FireAngel Smoke Alarm SB1-R is a high-quality unit that ensures safety and peace of mind in any household.