Plug-in Turbine Turns Your Smart Phone into a Wind Meter « Daily Bulletin
WeatherFlow Kiteboarding Wind Meter Anemometer windmeter ikitesurf
Amazon.com : WeatherFlow - WEATHERmeter- A Wireless, Handheld Weather Station - captures Highly Accurate Wind, Temperature, Humidity, and Pressure Measurements. No Internal Compass, Uses Mobile Device for Compass : Patio, Lawn & Garden
WeatherFlow Weather Meter for Precision Shooting – Short Action Precision