![First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White - Smoke Detectors - Amazon.com First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/7144ir1zaOL.jpg)
First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White - Smoke Detectors - Amazon.com
![First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://m.media-amazon.com/images/I/61Dkc4iBA-L.jpg)
First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![Photoelectric Sensor Smoke Alarm with Escape Light, battery operated smoke alarm, smoke alarm with escape light, photoelectric smoke detector | First Alert Store Photoelectric Sensor Smoke Alarm with Escape Light, battery operated smoke alarm, smoke alarm with escape light, photoelectric smoke detector | First Alert Store](https://www.firstalertstore.com/store/images/products/large_images/Photoelectric_Smoke_Alarm_SA720CN.jpg)