wind flags 3 for $100.

[beerthief]

buy 3 and have bluetooth wind readings ,shooting bench /midway/ and near target ? http://www.derose.net/steve/resources/engtables/englishmetric.html

 

[Scotty1]

Where?

 

[bigHUN]

I am cheap I printed mine

The left box with a blue unit is using a compass from the cellphone, the right side box with a brown unit has a compass built in for case you want to use it with a tablet (fyi not all tablets have built in compass, but all cellphone yes)