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IoT connected video streaming signage network factory direct custom hardware fire protection equipment China pressure stove a smart fire platform academic campus fire detection case study Wanlin Fire Cont elderly care alarm home fire e senior stove safety Ceramic Piezoresistive Wireless Pressure Gauge industrial pressure sens China stove alarm manufacturer stove safety healthcare campus fire protection solution CE ap smar export fire equipment flood wat Home Automation Hub panic button pendant smart gateway hub PIR motion sensor Zigbee smoke detector backup battery alarm water leak sensor basement water sensor stove shut off device IoT home protection wireless smart home system LTE cellular alarm Smart Features solution smart TV stick AI recommendation engine adjustable smoke output heat test temperature range fire protection solution RO Digital Signage Player solution industrial digital signage player fire prote EN54 certified homeowner fire detection system supplier China fire safety 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