BRK Smoke Alarm 9120B AC Powered Photo & Ion Smoke Sensor,

Brand new comes with 1 aa battery The BRK Smoke Alarm 9120B is a white, hardwired smoke alarm that operates on AC power. It features a photoelectric smoke sensor for detecting smoke and has a lifespan of 10 years from the manufacture date of 2023. This smoke alarm includes two batteries and is designed as a single unit. With the trusted brand of BRK, this smoke alarm provides reliable protection for your home against smoke hazards.