Best Hardwired Smoke Detector

FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

Smoke Alarm, 10 Years Battery, Smoke Alarms for Home, Fire Alarm with Mute Remotely Function,Big Test/Silence Button Smoke Alarms, Conforms EN14604, UKCA (5 Smoke)

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

X-Sense Wi-Fi Smoke Alarms for Home with SBS50 Base Station, Wireless Interlinked Smart Smoke Alarm Home Security System, Smart Fire Alarm, Compatible with X-Sense Home Security APP, FS31

Wireless Interlinked Smoke,Heat and Carbon Monoxide Alarm Kit,Pre-linked,Compliant with Scotland & England Law, Remote Slience Function(3 Smoke + 1 CO + 1 Heat)

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

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, 3-Pack

Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Wired)

XINDUM Wireless Interlinked Smoke Alarms, Heat Alarm, 10 Years Battery Smoke Detector with Remote Controller, Silent Function, 85 dB Audible Alarm for Home