Kidde Smoke Detector, Hardwired with AA Battery Backup, Interconnectable, LED Warning Lights, 85 dB Alarm, 5-inches, 20SAR, 3 Pack

• SMOKE DETECTION: Model 20SAR detects smoke over 25% faster*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes • HARDWIRED WITH AA BATTERY BACKUP: Connects directly to 120V AC power and includes two AA batteries for backup operation to help ensure continuous detection during power outages; includes a 10-year limited warranty** from date of purchase • 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 • 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