Universal Security Instruments MIC1509S is a hardwired alarm system that provides protection against smoke, fire, and carbon monoxide. It features a 10-year tamper-proof permanent power sealed battery backup, eliminating the need for battery replacement and ensuring continuous protection even during power outages. With its Smart Alarm Technology, it minimizes nuisance alarms and is ideal for installation in every room. The alarm also includes a deactivation key for safe disposal and a lock-out feature to prevent accidental reactivation.