Specification Brand : Taidacent BulletPoint : SHT10 SHT20 humidity measurement humidity gauge temperature and humidity sensor BulletPoint1 : For this item have SHT20 different type, please leave us a message for which one do you want, otherwise we will send at random This section of the air temperature and humidity sensor, the overall do double waterproof treatment, completely prevent condensation damage. BulletPoint2 : The internal chip of this sensor is sht20 BulletPoint3 : Note: The sensor measures the relative humidity of the air in the soil, not the soil moisture, even when buried in the soil. BulletPoint4 : SHT-77 soil temperature and humidity sensor module analog temperature humidity sensor BulletPoint5 : humidity meter gauge air temperature and humidity sensor for soil agriculture greenhouse Color : White CoolingMethod : Thermoelectric ExternallyAssignedProductIdentifier : 6440267894242 FinishType : Matte ItemName : Taidacent sht20 155mm Temperature and Humidity Sensor Full Metal Protection Extended Rod Flue-Cured Smoke ItemShape : Rectangular ItemTypeKeyword : humidifier-accessories LockType : Electronic Manufacturer : Taida Material : polymer MountingType : Tabletop NumberOfDoors : 1 NumberOfShelves : 1 PartNumber : ZCsht20-155 Pattern : Solid ProductDescription : This section of the air temperature and humidity sensor, the overall do double waterproof treatment, completely prevent condensation damage. The internal chip of this sensor is sht20 Note: The sensor measures the relative humidity of the air in the soil, not the soil moisture, even when buried in the soil. 1, the original imported sensors. 2, all with 10k pull-up resistor and 0.1uf filter capacitor 3, have all done double waterproof treatment. 4. 100% power-on aging and inspection before leaving the factory. 5. Connection mode: brown---VCC black---GND yellow---DATA blue---CLK Second, product description This section of the air temperature and humidity sensor, the overall do double waterproof treatment, completely prevent condensation damage. Note: The sensor measures the relative humidity of the air in the soil, not the soil moisture, even when buried in the soil.