Professional Wind Anemometer AR816+,it is professional tester and with multi-function.What's more,it is easy to operate.A brand-new, unused, unopened, undamaged item in its original packaging. Our products have been exported to more than 40 countries over the world. We believe that during the days of economic and cultural globalization, the key point for running business successfully both at home and abroad is to be creative, considerate,passionate, committed and industrious.