2-IN-1 DETECTION: Detects both smoke and carbon monoxide with advanced sensing technology for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes 10-YEAR BATTERY & LIMITED WARRANTY: Model 30CUD10-V operates with a built-in 10-year battery; helps save up to $40 over the alarm’s life in battery replacements; includes a 10-year limited warranty** starting from date of purchase VOICE ALERTS: Provides clear voice messages that announce the specific hazard; says “Fire” when smoke is detected or “Warning, Carbon Monoxide” when CO is present; helps occupants respond quickly and take the right action TESTED FOR RELIABILITY: Tested to meet UL 217 10th Edition, UL 2034 5th Edition, and FCC standards for performance and safety; enhanced sensing technology helps reduce false alarms by distinguishing real smoke from everyday cooking or steam BUILT FOR HOMEOWNERS AND PROFESSIONALS: Designed for those who prioritize dependable, code-compliant detection; supports safety goals for homeowners, property managers, contractors, and professionals seeking long-term home safety assurance