Weather conditions can make a dramatic impact in sport shooting and hunting. With the WeatherFlow WEATHERmeter, shooters can now accurately measure real-time weather conditions (including crosswind, tailwind, etc.) for ballistics and scope calculations. With instant wireless communication, the WEATHERmeter can be positioned up to 100 feet down range and report data wireless back to your smartphone. Perfect for long range rifle competition, target shooting, firearm ballistics, hunting, etc., the WEATHERmeter will give you useful, accurate information.