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10 Best wireless interconnected smoke and carbon monoxide detectors of 2026
Save up to 17% off
Best Choice1
BRKBRK SMICO100-AC Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 12-Pack
17% Off9.8Exceptional
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Value for Money2
X-SenseX-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery Powered Fire and CO Alarm, UL 217 9th Edition Certified, SC06-W, 6-Pack
Key specs-
product dimensions:5.7"D x 5.7"W x 2"H
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color:White
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batteries:12 CR123A batteries required. (included)
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item weight:5.08 pounds
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batteries included:Yes
9.7Exceptional
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3
KLTsenaife10-Year Battery Wireless Interconnected Smoke and Carbon Monoxide Detector, Smart Interlink Smoke CO Alarm with Digital Display, Fire and CO Combo Alarm for Home (3 Pack)
9.5Excellent
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4
X-SenseX-Sense Wireless Combination Smoke and Carbon Monoxide Detector, 10-Year Non-Replaceable Battery, Interconnected Up to 24 X-Sense Link+ Devices, UL 217 & UL 2034 Certified, Model XP0H-WN, 3-Pack
9.2Excellent
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5
First AlertFirst Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 6-Pack
Key specs-
product dimensions: 5.6D x 5.6W x 1.9H
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color: White
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batteries: 1 9V batteries required. included
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item weight: 3.33 pounds
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batteries included: Yes
9.1Excellent
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6
First AlertFirst Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup - 3 Pack
13% OffKey specs-
product dimensions:21.5 x 7.5 x 3.5 inches
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color:White
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batteries:1 9V batteries required. (included)
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item weight:1.68 pounds
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batteries included:Yes
9.0Excellent
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7
KiddeKidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 3 Pack
8.9Very Good
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8
First AlertFirst Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, SMCO600NV-AC, 1-Pack
14% Off8.8Very Good
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9
KiddeKidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Key specs-
product dimensions:1.88"D x 5"W x 5"H
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color:White
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batteries:N/A
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item weight:12.8 ounces
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batteries included:Yes
8.7Very Good
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10
KiddeKidde Smoke and Carbon Monoxide Detector, AA Battery Powered with LED Status Lights, 85 dB Alarm, 5 inches, 30CUDR, 4 Pack
Key specs-
product dimensions:1.88"D x 5"W x 5"H
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color:White
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batteries:N/A
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item weight:12.8 ounces
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batteries included:Yes
8.6Very Good
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