FireAngel Pro Connected Smart Smoke Alarm, Mains Powered with Wireless Interlink and 10 Year Life Back-Up Battery, FP1640W2-R , White : Amazon.co.uk: DIY & Tools
FireAngel Multi-Sensor Smoke Alarm with 10 Year Lithium Battery (FS2126-T) | CEF
FireAngel Pro Connected Smart Kitchen Heat Alarm, Battery Powered with Wireless Interlink and 10 Year Life, FP1720W2-R , White : Amazon.co.uk: DIY & Tools