[shortdesc] Alarm Type Smoke Alarme Power Source Battery-Operated Sensor Ionization Interconnects No Battery 10-Year Sealed Battery [/shortdesc] Product Description The BRK SMI110 smoke alarm offers reliable protection for your home or office with a 10-year sealed lithium battery, eliminating the need for replacements. Featuring ionization sensing technology, it detects fast-flaming fires effectively. Its tamperproof design prevents battery removal, while its audible end-of-life alert ensures timely replacement. With a compact design and easy installation, this alarm complies with UL217 and NFPA standards, providing a decade of peace of mind. Top Features: 10-Year Lithium Battery: Sealed, tamperproof power source offers continuous protection without replacements. Ionization Sensor Technology: Sensitive to fast-flaming fires, ensuring early detection. End-of-Life Signal: Audible alerts signal when it is time to replace the alarm. Test/Silence Button: One-touch feature for self-testing or silencing unwanted alarms. Audible and Visual Indicators: 85dB alarm, flashing LEDs, and advanced chirp notifications for clear communication. Specifications Chart Category Specifications Power Source 10-year sealed 3V lithium battery Sensor Technology Ionization smoke sensing Audio Alarm 85 dB at 10 feet Test/Silence Button Electronically simulates smoke/temporary nuisance silence Visual Indicators Normal Operation: Green LED flashes every minute Smoke Alarm: 3 beeps with flashing red LED Low Battery/End-of-Life: 5 chirps per minute Malfunction: 3 chirps per minute Reset Function Automatic reset when smoke clears Temperature Range 40°F (4.4°C) to 100°F (37.8°C) Humidity Range 10% to 95% RH, non-condensing Dimensions 5.2" Diameter x 2.01" Height Weight 0.37 lbs Installation Options Ceiling and wall mounting hardware included Certifications UL 217, CSFM, NFPA 72, NFPA 101, ICC Warranty 10-Year Limited Warranty All BRK Electronics smoke alarms meet UL 217 standard and are listed with the California State Fire Marshal. They use the new UL mandated repeating 85-decibel alarm horn pattern. 10-year limited warranty. For a full list of states and cities requiring 10 Year alarms click here. Don't know what type of smoke and carbon monoxide alarm is right for your home? Check out our guide on how to choose the right smoke detector for your home. === In The Box 1 Smoke Alarm 1 Mounting Bracket 1 Dust Cover 1 9V Alkaline Battery 1 English/ Spanish Instructions Manual Info & Guides User Manual Download Specification Sheet Download