AM2320B Digital Temperature and Humidity Sensor Module SHT21 AM2301 Digital Sensor for Arduino Description:

1.4-pin package
2.Ultra-low power
3. no additional components
4. excellent long-term stability
5.All calibration, digital output
6. Fully interchangeable
Long-distance signal transmission
8. Relative humidity and temperature measurement

Specifications:

1.Type: AM2320B temperature and humidity sensor single bus / IIC compatible interface for AM2301 \ SHT21
2.Accuracy resolution: 0.1
Measuring range: 0-100% RH
Temperature measuring range: -40 ° ~ + 80 °
Precision humidity measurement: ± 3% RH
Temperature measurement precision: ± 0.5 °