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Source Multisensor Fire Detector directly from Wanlin Fire, a leading Chinese manufacturer of Smart WiFi Smoke Detector. Product highlights: 2.4GHz WiFi, Tuya/Smart Life app, Google/Alexa voice, inter

Source Battery Operated Smoke Alarm directly from Wanlin Fire, a leading Chinese manufacturer of LoRa Wireless Smoke Detector. Product highlights: LoRaWAN protocol, 2-5km urban range, 500+ devices per