Kidde Smoke Detector, Hardwired & 10-Year Battery Backup, 20SA10-V, 1 Pack

Price: $46.47
(as of Sep 29, 2026 23:55:22 UTC – Details)


Help protect your home and family with the Kidde 20SA10-V Hardwired Smoke Detector with 10-Year Built-in Battery and Voice Alerts. Designed to detect smoke over 25% faster*, this alarm helps provide timely warnings when every second counts. It emits an 85-decibel alarm and a red LED light to clearly signal smoke presence, while voice alerts announce “Fire” to help occupants respond quickly. The built-in 10-year backup battery helps provide continuous detection without low-battery chirps and helps save up to $40 over the life of the alarm. Advanced sensing technology helps reduce false alarms triggered by cooking or steam. Interconnect capability allows multiple compatible Kidde alarms to sound simultaneously, helping alert everyone in the home to potential danger.*** Tested to meet UL 217 10th Edition and FCC standards, this smoke detector delivers dependable, code-compliant detection, making it suitable for homeowners, property managers, contractors, 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. ***Different models offer different interconnection options and requirements. Check the User Guide for more info.
SMOKE DETECTION WITH VOICE ALERTS: Model 20SA10-V features advanced sensing technology for over 25% faster smoke detection*; sounds a loud 85-decibel alarm with red LED light and voice alerts announce “Fire” for clear warnings
HARDWIRED WITH 10-YEAR BATTERY BACKUP: Operates on 120V AC with a built-in 10-year battery; saves up to $40 over the alarm’s life in battery replacements; includes a 10-year limited warranty** starting from date of purchase
REDUCED FALSE ALARMS: Uses enhanced 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
INTERCONNECT CAPABILITY: Connects with other Kidde alarms so when one detects danger, all connected units sound together; helps ensure everyone in the home is alerted to potential hazards***
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
Customers find the smoke detector easy to install, with one mentioning it took only 15 minutes to replace six units, and appreciate its 10-year battery life as a bonus feature. The reliability receives mixed feedback – while some say it works well when tested, others report repeated false alarms at all times of the day. Similarly, opinions on value are divided, with some finding it worth the cost while others say it’s not worth the price.