Smoke detection: model20sd10 detects smoke over 25% faster*; sounds a loud 85-decibel alarm with red led light for clear visual warnings; suitable for homes
10-year battery operation: built-in 10-year battery powers the alarm continuously; eliminates low-battery chirps, saves up to $40 over the life of the alarm in battery replacements, and includes a 10-year limited warranty** from first power-on
reduced false alarms: uses advanced sensing technology that helps distinguish between real smoke and everyday cooking or steam; helps reduce false alarms while maintaining quick, accurate detection when smoke is present
tested for safety & performance: rigorously tested to meet ul 217 10th edition and fcc standards; designed to help ensure reliable performance and compliance with recognized safety requirements