Kidde 20SAR Hardwired Smoke Detector with Battery Backup – Interconnectable, 85 dB, 3-Pack

Overview

Protect your home and family with a smoke detector that blends reliable protection with everyday practicality. The Kidde 20SAR operates on 120V AC power and includes AA battery backup, helping maintain continuous detection even during power interruptions. Its compact five-inch unit fits standard ceiling placements, and the interconnect capability means warnings can travel through multiple Kidde alarms, promoting a coordinated response across the home.

In independent testing, the 20SAR detects smoke more than 25% faster in smoldering scenarios, compared with several competing models from prior generations. When smoke is detected, the device sounds an 85-decibel alarm and presents a bright red LED for clear visual notification, aiding quick recognition in both daytime and nighttime conditions.

Key advantages

• Faster smoke detection: 25% quicker on smoldering fires in internal comparisons.
• Audible and visual alerts: 85 dB alarm paired with a red LED warning.
• Reliability during outages: hardwired AC power with two AA batteries for backup.
• Smart sensing: advanced technology helps reduce false alarms from cooking or steam while staying quick to detect real smoke.
• Interconnect capability: linked alarms ensure synchronized warnings across the home.
• Safety standards: tested to UL 217 10th Edition and FCC standards for dependable performance.
• Warranty: backed by a 10-year limited warranty from the date of purchase.

Real-world use cases

• Ideal for single-family homes, multi-story layouts, and rental properties needing compliant, long-term safety equipment.
• Great for kitchens and common living areas where false alarms are minimized by advanced sensing.
• The 3-pack configuration supports easy installation across multiple key areas (entry, living spaces, and bedrooms).

Reliability and care

UL 217 10th Edition and FCC certifications reflect a commitment to recognized safety requirements. The 20SAR is designed for homeowners, property managers, and professionals seeking dependable protection with long-term coverage. Regular testing and following manufacturer guidelines can help maintain performance over time.