Aqara Smart Smoke Detector vs First Alert SMCO410 Smoke Detector & CO Alarm

Between First Alert SMCO410 Smoke Detector & CO Alarm and Aqara Smart Smoke Detector, First Alert SMCO410 Smoke Detector & CO Alarm is the better overall pick in 2026, leading on warranty, sensors, and alerts. The comparison tilts its way because of warranty, sensors, and alerts, with steam check keeping it in front. You should still consider Aqara Smart Smoke Detector if price, rating, and integrations matters more than raw overall balance. That is enough to make First Alert SMCO410 Smoke Detector & CO Alarm the better pick for most buyers.