GS301-868M - Bathroom Door Odour SensorGS301 is a 4 in 1 LoRaWAN bathroom odor detector to detect ammonia (NH3) and hydrogen sulfide (H2S) gas according to the electrochemical principle. GS301 is also able to detect temperature and humidity to fully aware of the environment of bathrooms. When the NH3 or H2S gas concentration reaches the preset threshold, the detector will trigger both an LED light alarm and buzzer to notify people timely to ventilate, which is an important part of smart
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