Help protect your home and loved ones with the Kidde 20SD10 Smoke Detector with 10-Year Battery, 3 Pack. Designed to detect smoke over 25% faster* than standard models, this alarm provides timely alerts when every second matters. It emits a loud 85-decibel alarm with a red LED light for clear visual warnings, making it suitable for homes. The built-in 10-year battery helps provide continuous detection; eliminates low-battery chirps and helps save up to $40 over the life of the alarm in battery replacements. Advanced sensing technology helps reduce false alarms caused by cooking or steam while maintaining accurate smoke detection when real hazards are present. Tested to meet UL 217 10th Edition and FCC standards, this smoke detector delivers reliable, code-compliant performance. Its dependable design supports the safety goals of homeowners, property managers, and professionals seeking long-term home safety assurance. *29% faster average smoke detection based on internal testing of smoldering wood fires for Kidde 9th Edition vs. leading competitor 8th Edition products. **10-year limited warranty on alarm. Not a battery performance claim.