This FIRST ALERT smoke alarm is a reliable safety device for your home. It is hard-wired with a battery backup, ensuring that it will still work during power outages. The ionization technology detects fast-flaming fires, making it a valuable addition to your home security system. The white color and sleek design make it a discreet addition to your home. The smoke alarm comes with a battery included and features such as year manufacture, model and features like battery backup, making it a smart investment for long-term safety. This product is ideal for homeowners who want to take proactive measures to secure their property without compromising on style.