DHT22 Digital Temperature Humidity Sensor.

• Type: DHT22 
  
• Accuracy resolution: 0.1
  
• Humidity range: 0-100%RH.
  
• Temperature range:- 40~80℃.
  
• Humidity measurement precision: ±2%RH.
  
• Temperature measurement precision: ±0.5℃

Features:

• 4-pin package
  
• Ultra-low power.
  
• No additional components needed.
  
• Excellent long-term stability.
  
• Digital output.
  
• Completely interchangeable.
  
• Long distance signal transmission.
  
• Relative humidity and temperature measurement.