HOLDPEAK 866A Digital Anemometer Handheld USB Wind Speed Meter for Measuring Wind Speed, Temperature, Wind flow with Data Hold (Blue) [USB PORT AVAILABLE] Compared with our 866B anemometer, this new 866A-black anemometer provide a more convenient USB Port. [HIGH SENSITIVE & ACCURATE MEASURING] Provides fast measurement for analysis of critical environment conditions. [THREE FUNCTIONS] Wind Speed, temperature and wind flow in one LCD display. Measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. [ /] Through the built-in temperature regulator to adjust / temperature. Record and recall max / min /Average / Current function. Low battery indication. With a screw hole, can be connected a lanyard. [QUALITY ASSURANCE] If there is any product quality issue, please feel free to contact us!