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sy EN54 certified city infrastructure fire protection OEM variant 28 OEM fire Kitchen IoT Safety Controller kitchen unattended alarm kitchen emergency button kitchen smoke detector CE certif RoHS compliant sensor home health monitoring wholesale automatic stove shut off assisted living facility supplier Z-Wave gateway bedside emergency button geriatric care technology senior safety OEM fall detector wearable magneti CE approved fire safety next generation smoke sensor technology variant 16 fire safety case st Kitchen Range Hood Auto Control kitchen gas valve controller AI kitchen safety gateway wireless kitchen sens Shopping mall fire detector Door Contact Sensor backup battery alarm LP gas alarm IoT home protection PIR motion sensor fire safety engineering certified fire alarm system deployment variant 12 stove shut off device smart home for seniors aging population safety home health care distributor panic button for elderly senior independent living private label for commercial 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