USI MI3050SB

<ul><li>85 dB</li><li>Tamper proof design provides a higher level of security to prevent battery removal</li><li>Gives a decade of peace of mind</li><li>Maintenance Free Battery Power - No batteries to replace for the life of the alarm</li><li>Saves money - Never replace batteries for 10 years, saving up to $38.00 over the life of the alarm</li><li>Eliminates annoying low battery chirps</li><li>10 year sealed batteries provide continuous protection - even in the event of a power outage</li><li>Patented Universal Smoke Sensing Technology provides the benefits of both Photoelectric and Ionization technology in one alarm</li><li>Smart Alarm Technology virtually eliminates nuisance alarms. Ideal for installation in EVERY room</li><li>Deactivation key switches alarm off and makes alarm safe for disposal</li><li>Lock-out feature prevents deactivated alarm from being reinstalled</li><li>Choose this alarm if you are looking for an alarm with superior nuisance alarm resistance</li><li>10 year product end-of-service life warning sounds when it is time to replace alarm</li><li>This alarm is suitable for installation in houses, apartments, dormitory and manufactured housing</li><li>Meet New Laws & Legislation - This alarm exceeds industry standards, and ETL listed to UL Standard UL 217 and California State Fire Marshal approved</li><li>ECO Friendly - Reduces environmental waste & eliminates disposal of up to twenty 9 volt batteries</li><li>Fast & easy to install. No wiring required. Perfect for new or replacement installations</li><li>Automatic temperature and humidity compensation continuousl</li></ul>