[shortdesc] Alarm Type Smoke & Carbon Monoxide Power Source Battery Operated Sensor Photoelectric, Electrochemical Interconnects No Battery Not replacable [/shortdesc] BRK SMCO210V Smoke & CO Alarm Overview Dual Detection with 10-Year Maintenance-Free Power The BRK SMCO210 Smoke & CO Alarm offers exceptional protection with advanced photoelectric smoke and electrochemical CO sensing technologies. Its 10-year sealed lithium battery ensures effortless safety with no replacements required. With a contemporary low-profile design, this alarm is an ideal addition to modern homes, delivering reliable performance with a tamper-resistant design and end-of-life signal for simple maintenance. Top Features 10-Year Sealed Lithium Battery: Delivers continuous power without the need for replacement or maintenance. Advanced Dual Sensing Technology: Provides early detection of smoke and carbon monoxide with reduced nuisance alarms. Compact, Low Profile Design: Blends effortlessly into any home décor for a sleek, modern appearance. Test/Silence Button: Easily silence unwanted alarms or test the unit with a single press. End-of-Life Signal: Audible reminder to replace the alarm when it expires to maintain safety. Category Details Power Source Sealed 10-Year 3V Lithium Battery Sensors Photoelectric Smoke Sensor Electrochemical CO Sensor Audio Alarm 85dB at 10 Feet Voice Warning Announces Type and Location of Danger (e.g., "Warning, Evacuate, Smoke in Bedroom") Indicator Lights & Sounds Power: Flashes Green Every Minute Smoke Alarm: 3 Beeps, Flashes Red CO Alarm: 4 Beeps, Flashes Red Low Battery: 5 Chirps Per Minute – Replace Alarm Malfunction: 3 Chirps Per Minute – Replace Alarm Test/Silence Features Test All Alarm Functions Silence Nuisance Alarms or Low Battery Chirps End-of-Life Signal Audible Notification with Temporary Silence Option (2 Days Max) Operating Conditions Temperature: 40°F to 100°F (4.4°C to 37.8°C) Humidity: 10% to 95% RH Dimensions & Weight Dimensions: 5.68" Diameter x 1.3" Height Weight: 0.48 lbs Tamperproof Design Battery Cannot Be Removed Compliance Certified to UL217, UL2034, CSFM, NFPA 72, NFPA 101, ICC Installation Mounting Hardware Included; Suitable for Ceiling or Wall Installation 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 & Carbon Monoxide Alarm 1 Mounting Bracket 1 Dust Cover 1 English/ Spanish Instructions Manual Info & Guides User Manual Download Specification Sheet Download