This digital anemometer measures current/max/average wind velocity, wind chill, and temperature.  The device can give air velocity readouts for meters/second, feet/minute, knots, kilometers/hour, and miles/hour, and temperature readouts for both Celsius and Farenheit.  Great for anyone who needs to keep precise tabs on the weather, or for science fair projects involving the same.

Common Specifications:

• Battery: CR2032 3.0V (not included)
• Thermometer: NTC thermometer
• Operating Temperature: -10°C~+45°C (14°F - 113°F)
• Operating Humidity: Less than 90%RH
• Store Temperature: -40°C~+60°C (-40°F - 140°F)
• Current Consumption: ~3mA
• Weight: 58.9g (including battery)
• Dimension: 104.3 x 57.8 x 19.9mm

Air Velocity in M/s (measures in a variety of other units, M/s is given as a general):

• Range: 0-30
• Resolution: 0.1
• Threshold: 0.1
• Accuracy: ±5%

Temperature in Celsius:

• Range: -10°C~+45°C
• Resolution: 0.2
• Accuracy: ±2°C

Temperature in Farenheit:

• Range: 14°F~113°F
• Resolution: 0.36
• Accuracy: ±3.6°F

NOTE: Battery is not included