![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
![First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - - Amazon.com First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - - Amazon.com](https://m.media-amazon.com/images/I/710U0+dek4L.jpg)
First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - - Amazon.com
![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 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/cfeaefbf-8e9c-4b55-aed2-5ee085a4677b/09146393.jpg?size=pdhism)
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.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)