#1 Home Improvement Retailer

Questions and Answers for Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup, Smoke Alarm, 6-Pack

Internet # 100655553

Model # 21005927

Store SKU # 1000498985

  • Smoke alarm operates on a 120V wired powered source
  • 9-Volt alkaline battery provides protection during power outages
  • Interconnection capability, so when 1 alarm sounds, they all do