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Cavius CV2208 Optical Smoke Alarm Mains Powered With RF Interconnection, Wireless Functionality & 10 Year Rechargeable Lithium Battery Back up 240V - Shop4 Electrical
Clipsal Fire Tek Photoelectric Smoke Alarm Surface Mount, 220-240 V a.c. Mains Power w. 9V d.c. Battery Backup
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Deta 1163 Optical Smoke Alarm 240V with 9V Replaceable Battery Back Up (White) : Amazon.co.uk: DIY & Tools
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240V Hard Wired Photoelectric Smoke Alarm 10 Year Lithium Backup Battery | Smoke Alarms | Electrical Accessories | Voltex Electrical
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