FireAngel Heat Alarm with 10 Year Sealed For Life Battery, FA6720-R (HT-630 replacement, new gen) & FireAngel SB1-TP-R Smoke Alarm, 2 Pack, White : Amazon.co.uk: DIY & Tools
FireAngel Pro Connected Smart Kitchen Heat Alarm, Battery Powered with Wireless Interlink and 10 Year Life, FP1720W2-R , White : Amazon.co.uk: DIY & Tools