Mains Radio-Interlink Smoke Alarms & Heat Alarms with Self-Charging 10 Year Back-up Battery - Aico Ei3000RF Series - £107.16 inc VAT
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
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