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Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery Carbon Monoxide Smart Alarm, Model MC304SB , White


Price: $49.99
(as of Sep 30, 2024 10:44:55 UTC – Details)



The USI MC304S 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 .
Carbon Monoxide Smart Alarm provides 10 years of continuous protection against the silent killer – carbon monoxide
Includes 10 Year Permanent Power Alkaline Batteries. Alkaline batteries are safer and more eco-friendly dispose than lithium batteries
Smart Alarm Technology provides superior nuisance alarm resistance
Table top or wall mount – versatile design makes it easy to place in any room of your room
Maintenance-free for a decade of peace of mind

Customers say

Customers appreciate the ease of installation, value for money, and functionality of the gas smoke fire alarm. They mention it’s easy to use, works well, and has a 10-year battery life. Some are also happy with its look. However, some customers dislike the alarm frequency and have different opinions on the build quality.

AI-generated from the text of customer reviews

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