Product Review

The USI Electric MCN108 Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household threats: carbon monoxide and natural gas (or methane). Perfect for new or replacement installations, this hardwired alarm is suitable for houses, apartments and mobile homes. Auto-sensitivity calibration provides superior nuisance alarm protection and creates consistency in alarm sensitivity. This alarm also has additional automatic features including a self-diagnostics check to ensure proper operation, a sensitivity adjustment for changes in temperature or humidity, and an end-of-service life warning that sounds when it's time to replace the battery. This comes with a seven-year limited warranty. USI Electric is a subsidiary of Universal Security Instruments Inc., a U.S.-based manufacturer of high-quality, easy-to-install home safety products. Founded in 1969, Universal Security Instruments has over 40 years of heritage in providing home safety products for families. With state-of-the-art manufacturing facilities, Universal Security Instruments continues to launch revolutionary new products and innovative technologies with the mission of always working to keep families protected.