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detection system wholesale safety devices kitchen fire alarm global fire safety partner urban management fire protection deployment IoT f battery UN38.3 transport test NFPA 72 smoke detector testing Reed Switch Sensor EN14604 certified home security kit export senior home safe Smart Features solution smart TV stick AI recommendation engine heat test temperature range pole extension locking mechanism Middle East distributor 10 Year Smoke Alarm stove shut off device IoT stove monitor stove fire p Technology & Hardware solution Android TV stick 64 bit ARM CPU Dutch fire alarm maintenance tool residential smoke tester automatic water shut off valve senior wellness technology independent living aid smart home for seniors stove left on alarm PI gas stove timer alarm kit water level monitoring liquid level transmitter NB-IoT level meter explosion-proof level transmitter LoRa level sensor level alarm system RTU level acquisition continuous level measurement solar powered level transmitter DTU 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