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/Furniture & Home/Kidde/Compare

Kidde: 3 Models Side by Side

Updated May 2026

☰ View Ranked List
3 models
Best Overall
1
First Alert CO400 Carbon Monoxide Detector
First Alert CO400 Carbon Monoxide Detector
$22.49
Shop Now
onAmazon
Full review →
Best Value
2
First Alert SMI100-AC Hardwire Smoke Detector
First Alert SMI100-AC Hardwire Smoke Detector
$19.67
Shop Now
onAmazon
Best Overall
3
First Alert Smoke Alarm Battery-Operated
First Alert Smoke Alarm Battery-Operated
$16.99
Shop Now
onAmazon
Our Score
9.2
★★★★★★★★★★
May 2026
9.2
★★★★★★★★★★
May 2026
9.0
★★★★★★★★★★
May 2026
Customer Reviews
★★★★★★★★★★
22,815reviews
★★★★★★★★★★
1,908reviews
★★★★★★★★★★
4,026reviews
Price
$22.49
$19.67
$16.99
Best ForDetects carbon monoxide in homes and vehiclesPrecision Detection reduces cooking false alarmsPrecision Detection reduces cooking false alarms

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