Introducing the First Alert SC7010BA Hardwired Combination Smoke and CO Alarm, designed for your safety and peace of mind. This innovative alarm features a unique spread spectrum horn tone, ensuring it can be easily heard, even by those with age-related hearing challenges. It connects directly to your home's electrical system, providing reliable protection against smoke and carbon monoxide. Equipped with a photoelectric smoke sensor and Optipath 360 technology, it effectively detects smoke from smoldering fires. Additionally, the electrochemical sensor ensures accurate carbon monoxide detection, while the 2 AA battery backup guarantees functionality during power outages. Don't compromise on safety—invest in the First Alert SC7010BA today!