Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Combination Smoke & Carbon Monoxide Detectors

115 results

First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector 2 -Pack

First Alert 

10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector 2 -Pack

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for pricing and availability

4.4
294
First Alert 10-Year Battery, Hardwired (with Battery Backup) Photoelectric Interconnected Combination Smoke and Carbon Monoxide Detector

First Alert 

10-Year Battery, Hardwired (with Battery Backup) Photoelectric Interconnected Combination Smoke and Carbon Monoxide Detector

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for pricing and availability

4.7
7
First Alert 10-Year Battery, Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

First Alert 

10-Year Battery, Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

Find My Store

for pricing and availability

4.6
663
First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

First Alert 

10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

Find My Store

for pricing and availability

4.4
1104
First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

First Alert 

10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

Shop the Collection
Find My Store

for pricing and availability

4.4
294
First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

First Alert 

10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

Find My Store

for pricing and availability

4.4
18
First Alert Hardwired (with Battery Backup) Photoelectric Interconnected Combination Smoke and Carbon Monoxide Detector with Voice Alert

First Alert 

Hardwired (with Battery Backup) Photoelectric Interconnected Combination Smoke and Carbon Monoxide Detector with Voice Alert

Find My Store

for pricing and availability

4.5
119
First Alert Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

First Alert 

Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector with Voice Alert

Find My Store

for pricing and availability

4.3
343