The USI Electric MDSCN111 4-in-1 Universal Smoke-Sensing Technology Hardwired Smart Alarm provides quadruple the protection with a single installation. This alarm protects against fast-flaming fires, smoldering smoke, carbon monoxide and natural gas (or methane). Perfect for new or replacement installations, it responds 87% faster and provides superior protection. Other 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 its time to replace the battery. This comes with a seven-year limited warranty
Founded in 1969, Universal Security Instruments has over 50 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.