This First Alert AC Smoke Alarm with Lithium Battery Backup (9120LBL) is a reliable and essential addition to any home security system. It is compatible with BRK Brands and can be powered by both batteries and hardwired connections. The smoke alarm is designed to detect smoke in its early stages, providing an early warning to protect your home and family.

In addition, this smoke alarm is compatible with various smart home systems such as Apple HomeKit, Samsung SmartThings, and Google Home, making it easy to integrate into your existing smart home ecosystem. It comes in a sleek white color and was manufactured in 2019. This product is perfect for anyone who values safety and convenience.