Features:  Simultaneous measurement and real-time display of wind speed and wind temperature.  Four wind speed units(m/s, Knots, km/h, Mph) and two temperature units(℃, ℉)can be switched at will.  Maximum / minimum / average value measurement function, one key to switch.  180° rotatable probe with high sensitivity six fan bl-ades for more accurate measurement and faster response.  Backlight display and data hold function for easily reading the measured value.  10 minutes automatic shutdown function settings to save power.  Compact design with detachable protective sleeve, easy to carry. Back with a folding bracket for conveniently putting on the desk.  Widely used in electricity, iron and steel, petrochemicals, energy, marine, fan manufacturing, pipe ventilation system, underground warehouses, and other industries.    Specifications:  Material: ABS  Measurement Method: Air velocity/air temperature  Air Velocity Measurement Range: 0.3~30.0m/s  Air Velocity Error: ±3%  Air Velocity Unit Selection: M/s, Knots, km/h, Mph  Resolution: Air velocity: 0.1m/s, temperature: 0.1℃  Air Temperature Measurement: 0~45℃  Temperature Error: ±2℃  Max/min/Avg: Yes  ℃/℉ Unit Conversion: Yes  Backlight Display: Yes  Analog Bar: Yes  Low Battery Prompt: Yes  Auto Shutdown: Auto shutdown after 10 minutes  Battery: 2 * 1.5V AAA battery (NOT included)  Item Size: 177 * 55 * 25mm / 6.97 * 2.17 * 0.98in  Item Weight: 180g / 6.35oz  Package Weight: 300g / 10.58oz  Package Size: 21.5 * 9 * 5cm / 8.46 * 3.54 * 1.97in    Packing List:  1 * Anemometer  1 * Storage Pouch  1 * Manual (English)