Hardwire Smoke, Fire, and Carbon Monoxide Alarm with Battery Backup and Voice Alerts

Price: $52.00 - $48.00
(as of Oct 12, 2026 22:34:48 UTC – Details)


Safeguard your home with the USI Hardwired Combo Smoke, Fire, and Carbon Monoxide Alarm. Its advanced Sensing Plus Multi-Criteria Detection accurately pinpoints both slow-burning and fast-flaming fires, ensuring swift response. An integrated electrochemical sensor detects carbon monoxide, providing a single, compact safety solution. This hardwired alarm interconnects with compatible units for total home coverage, while backup battery power ensures continuous protection during power outages. A voice alarm offers clear guidance, distinguishing between fire and CO alerts, and reminding you of replacements. Advanced technology minimizes false alarms, reducing disruptions from activities like cooking. Easily silence false alarms with the test/silence button. With UL certification, trust in the reliability and performance of USI Hardwired Combo Alarms. Protect your loved ones with this advanced home safety solution, backed by over 50 years of USI’s leadership in home safety.
Wired Connection: Directly connects to your home’s electrical system
Backup Power: Ensures continuous protection during power outages
Advanced Detection: Uses multiple sensors for enhanced fire and CO detection
Linked Alarms: Communicates with compatible hardwired alarms
Vocal Alerts: Provides clear guidance during emergencies
Reduced False Alarms: Minimizes disruptions from everyday activities
Safety Compliance: Meets standards set by major safety organizations
Easy Setup: Simplifies the installation process