Visonic MCT-442/GSD-442 PG Wireless Carbon Monoxide Detector Features:
- Gives early warning of carbon monoxide (CO) poisoning danger, providing visual and audial alarm indications when CO is detected
- Loud built-in alarm buzzer (95db) and a large flashing LED alarm
- Battery operated, ensuring continuous protection; low battery and sensor end of life indications
- Five years life with end of life notification
- Continuous auto-testing and manual testing
- Tamper protection