DHT22 Humidity and Temperature Sensor

Description: DHT-22 Temperature and Humidity Sensor.

Specifications: This is a humidity and temperature sensor. Even more advanced than previous generations.

• 3-5v compatible
• Accuracy resolution:0.1.
• Humidity range:0-100%RH.
• Temperature range:-40~80 degrees C.
• Humidity measurement precision:~2%RH.
• Temperature measurement precision: 0.5 degrees C.
• 4-pin package.
• Ultra-low power.
• Excellent long-term stability.
• Digital output.

See the spec sheet here.