Customer Reviews for Sentinel Hardwired Smoke Detector with 9-Volt Battery Backup, Adapters, Ionization Sensor and Test/Hush Button 21009475
Internet # 300303940
Model # 21009475
Store SKU # 1002187320
- Smoke alarm requires hardwire installation
- 9V battery backup for protection even during power outages
- All interconnected alarms will sound when one alarm goes off