Wireless Interlinked Smoke Alarm Detector with Sealed 10-Year Battery, Interconnected Fire Alarm Conforms to EN 14604 Standard, Link+, SD19-W, 1-Pack

X-Sense Wireless Interlinked Smoke Alarm Detector with Sealed 10-Year Battery, Interconnected Fire Alarm Conforms to EN 14604 Standard, Link+, SD19-W, 1-Pack

X-Sense Wireless Interlinked Smoke Alarms and Heat Alarm Scotland Bundle, 1 Heat Alarm & 2 Smoke Alarms, Sealed 10-Year Lithium Battery, EN 14604 Standard and BS 5446 Compliant, Link+ Series, HS21

X-Sense Wireless Interlinked Combination Smoke and Carbon Monoxide Alarm, Smoke Alarm for Home with LCD Display & 10-Year Battery, Link+ Series, SC07-W, 1-Pack