First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup White
- 120 volt hardwire smoke alarm with photoelectric sensor and battery backup.
- Features convenient 9 volt battery backup, silence/test button, dust cover, 85 decibel alarm.
- Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms.
- Intuitive latching alarm indicator identifies which unit triggered alarm. Backed by 10 year limited warranty and tested to meet UL 217 standards.