Kidde Smoke Detector, Hardwired & 10-Year Battery Backup, 20SA10, 2 Pack

Price: $79.94
(as of Sep 29, 2026 11:40:29 UTC – Details)


Help protect your home and loved ones with the Kidde 20SA10 Hardwired Smoke Detector with 10-Year Battery Backup and Interconnect Capability. This alarm detects smoke over 25% faster* and emits a loud 85-decibel alarm with a red LED light for clear visual warnings to help provide whole-home detection. Operating on 120V AC power with a built-in 10-year battery backup, this alarm helps ensure continuous detection even during power outages, eliminates low-battery chirps, and helps save up to $40 over its lifetime in battery replacements. Advanced sensing technology reduces false alarms caused by cooking or steam while maintaining fast, accurate detection when real smoke is present. The interconnect feature allows multiple Kidde alarms to sound together, helping ensure that everyone in the home is alerted to potential hazards.*** Rigorously tested to meet UL 217 10th Edition and FCC standards, this detector delivers dependable, code-compliant performance for homeowners, property managers, contractors, and safety-conscious professionals. *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: Model 20SA10 features advanced sensing technology that detects smoke over 25% faster*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
HARDWIRED WITH 10-YEAR BATTERY BACKUP: Operates on 120V AC with a built-in 10-year battery; helps provide continuous detection; saves up to $40 over the alarm’s life in battery replacements; with 10-year limited warranty** 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 and appreciate its 10-year battery life feature. However, they report mixed experiences with reliability, with some units working well while others give false alarms within 6 months. Moreover, durability is a concern as units fail within 8 months, and customers complain about beeping issues. Additionally, the value for money receives negative feedback, with customers warning not to waste money on this product.