Not only will this item help you measure wind speed, but it will also help measure temperature and wind chill indication. Ideal for weather enthusiast, lovers of kite flying, kite-surfing, wind-surfing, paragliding, etc.

Features:
Measure wind speed and temperature.
Large easy-to-read LCD display with backlight.
Wind speed in Beaufort wind scale bar graph.
Wind chill indication.
Data hold function.
High precision pressure sensor.
Quick response, external thermistor.
Auto/manual power off.
Temperature display in ?/F.
Wind speed range: 0-30m/s
Wind temperature range: -10 - 45? (14-113F)
Current/max/average wind speed reading.
Wind speed unit: m/s, Km/h, ft/min, Knots, mph.
Powered by a 3V CR2032 battery. (Included)

Specifications:
Air Velocity:
Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots
Resolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2Knots
Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots
Accuracy: +/- 5%

Air Temperature:
Range: -10 - 45?, 14 - 113F
Resolution: 0.2?, 0.36F
Accuracy: ±2?, ±3.6F
Power Supply: 1 * 3V CR2032 battery(Not included)
Thermometer: NTC Thermometer
Operating Temperature: -10~45? (14~113F)
Operating Humidity: less than or equal to 90%RH
Storage Temperature: -40~60?, -40~140F
Current Consumption: About 3mA
Item Size: 105 * 40 * 18mm
Item weight: 50g

Package including:

1x Digital Anemometer
1x Lanyard
1x User Manual

1x CR2032 Battery