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solution case study Application Scenarios solution TV stick Accessories solution TV stick HDMI extension cable PIR motion detector home fire export smoke detector wholesale source factory ODM fire alarm smart home safety IoT home safety CE certified fire alarm video doorbell elderly care alarm EN14604 smoke alarm WiFi smoke alarm home fire alarm gas valve shutoff home fire safety bundle China fire equipment supplier home security combo 4G fire detector water flood sensor export fire equipment flood water alarm gas leak dete stove app alert stove alarm factory senior stove safety CE certified stove alarm stove safety OEM global stove safety partner elderly cooking monitor mmWave stove detection kitchen unattended detector source f China heat detector tester manufacturer for Latin America school smoke detector tester bulk order for Middle East buyer Oceania distributor export pressure gauge indu magnetic flap level gauge rainwater harvesting level sensor boiler level gauge RTU level 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