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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 Kitchen Range Hood Auto Control kitchen gas valve controller AI kitchen safety gateway wireless kitchen sens CE approved fire safety next generation smoke sensor technology variant 16 fire safety case st 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 for commercial buildings smoke detector test spray fire detector tester stove shut off device smart home for seniors aging population safety home health care distributor panic button 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