Best Dual Sensor Smoke Alarm Hardwired

Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm (1)

X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operated, Conforms to EN 14604 Standard, SD11

FireAngel FP2620W2-R Pro Connected Smart Smoke Alarm for Home -10-Year Life. Battery-Powered, Wireless, Interlinked Smoke Detector - 1-Pack

X-Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10-Year Battery, Smoke Alarm for Home Compliant with EN 14604 and EN 50291 Standards, SC07

X-Sense Wi-Fi Smoke Alarm for Home with Replaceable Battery, Smart Smoke Alarm Compatible with X-Sense Home Security App, Compliant with EN 14604 Standard, XS01-WX, 1-Pack

Smoke Alarm, Interlinked Smoke and Heat Alarm Scotland Bundle, Pre-linked,10-Year Battery Life,Compliant with Scotland & England Law (2 Smoke + 1 Heat)

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

FireAngel SW1-R Smoke Alarm , White (Packaging may vary)

Mains Powered Smoke Alarms, Interlinked Wired Alarm Smoke Detector 1 Year Replaceable Battery Back-up, Fire Alarm with LED Indicator Silence Button EN 14604 Standard (2-PACK)

Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973