The Firex Interconnectable Optical Smoke Alarm is a mains-powered alarm that can be interlinked with up to 23 Kidde hard-wired alarms be they ionisation optical or heat. Once interlinked the detection of the relevant danger by an individual unit will sound across all the connected alarms.

Price: £15.50 from Wickes

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Stockist	Product Name	Price
Wickes	Firex KF20 Interconnectable Optical Smoke Alarm	£15.50	Visit Store