Zhengzhou where to sell [anemometer] anemometer? What brand of good quality? Tel :0371 -55,676,313 measurement: wind / air temperature * Measuring range: ---- Wind Speed: 0 to 45 m / s, 0 to 140 km / h, 0 to 8800 ft / min, 0 to 88 nautical miles / hour 0 to 100 miles / hour (accuracy: ± 3%) ---- air temperature: 0 ~ 45oC, 32 to 113oF (accuracy: ± 2oC) * Resolution: 0.2oC, 0.1m / s * wind speed units : m / s, Ft / min, Knots, Km / hr, Mph * oC / oF temperature unit conversion * LED backlit display * maximum / minimum wind speed measurement * average / current wind speed measurement * Data Hold * Low voltage display * Manual / Auto off (no operation 14 minute auto shut off) * Packing: PP box + color box * Power supply: 9V battery * Dimensions: ---- Host: 145 * 72 * 35 mm ---- Blade: 172 * 65 * 29 mm Zhengzhou Megumi Instrument Co., Ltd. Tel :0371 -55,676,313 Business QQ: 2417674438 1036362302 Website: www.hm5117.cn