Temperature and humidity sensor AM2320 I2C
Specification:
Power Supply: 3.1 5.5VDC
Temperature Range: -40 80
Humidity Range: 0 99.9% RH
Accuracy: 0.5 2% RH
Resolution: 0.1 0.1% RH
Pin pitch: 2.54mm
Output Signal: IIC
Housing Material: PC Plastic
Net Weight: 0.5g
Example:
http://www.instructables.com/id/Connecting-AM2320-With-Arduino/