Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 20SA10-V
$46.47
Price: $46.47
(as of Feb 01, 2026 00:40:25 UTC – Details)
DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected – 3 long beeps with red LED light flashing in time, repeating.
HARDWIRED and 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years and saves up to 40 Dollar over the life of the detector.
ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition and FCC standards.
VOICE ALERTS: Crystal-clear voice alerts tell you exactly why your alarm is sounding so you can react quickly.
INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
$46.47













