Product Review

The USI MC304SB Carbon Monoxide Smart Alarm provides 10 years of continuous protection against the silent killer - carbon monoxide. Perfect for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room. The sealed battery (included) never needs replacement for its 10-year life, giving you peace of mind even during power outages. Permanent Power also saves money from battery replacements (up to $38.00 over life), eliminates annoying low-battery chirps and helps the environment by reducing environmental waste from disposed batteries. Microprocessor intelligence completely eliminates nuisance alarms, a single silence/test button to quiet a non-hazardous alarm and an end-of-service life warning that indicates when to replace the battery (approximately 10-years from activation). Mount this alarm on the wall or leave it standing up on a table top. The quick activation battery pull tab simplifies installation, while the deactivation key switches the alarm off and makes the batteries safe for disposal. Once the alarm is deactivated, the tamper-resistant feature prevents deactivated alarms from being reinstalled. This alarm is ETL listed to UL Standard 2034, California State Fire Marshal and Federal Housing Authority (FHA) approved and exceeds industry standards. Comes with a 10-year limited warranty.