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NB-loT wireless door and window sensorsNB-loT wireless door and window sensors,Home Security Guard,Installed on doors, windows, etc., to monitor the opening and closing status and switching times in real time, and realize security alarms.
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NB-iot temperature humidity sensorTemperature and humidity sensor is devices can convert temperature and humidity into electrical signals that can easily measure temperature and humidity.
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rf wireless thermostat SAS908XWHB-7-RFSmart Thermostat Wireless Programmable Thermostat with RF Receiver Tabletop Wall-Mounted Style APP Control Voice Control Compatible with Assistant Gas Boiler
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temperature and humidity monitortemperature and humidity monitor.Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Monitor.
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temp and rh sensorA World Leader In Instrumentation For The Process Monitoring & Control Industries. Instrumentation For Reliable Measurement And Control.
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wifi temperature and humidity sensorHygro-Thermometer ideal for monitoring Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper