This is the WeatherFlow: wireless pocket sized anemometer that lets you measure wind speeds and direction. It uses Bluetooth to connect to your various apps with a range of 100ft away. You can use it by holding it or attaching it to a tripod.
More gadgets like this: here
This wind meter is compatible with iKitesurf, iWindsurf, SailFlow, FishWeather, WindAlert, and WINDmeter apps.
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