TASI TA8161 Digital Anemometer High Precision Handheld Anemograph Wind Velocity Indicator Air Velocity Air Temperature Measurement 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: ABSMeasurement Method: Air velocity/air temperatureAir Velocity Measurement Range: 0.3~30.0m/sAir Velocity Error: ±3%Air Velocity Unit Selection: M/s, Knots, km/h, MphResolution: Air velocity: 0.1m/s, temperature: 0.1Air Temperature Measurement: 0~45Temperature Error: ±2Max/min/Avg: Yes/ Unit Conversion: YesBacklight Display: YesAnalog Bar: YesLow Battery Prompt: YesAuto Shutdown: Auto shutdown after 10 minutesBattery: 2 * 1.5V AAA battery (NOT included)Item Size: 177 * 55 * 25mm / 6.97 * 2.17 * 0.98inItem Weight: 180g / 6.35ozPackage Weight: 300g / 10.58ozPackage Size: 21.5 * 9 * 5cm / 8.46 * 3.54 * 1.97inPacking List:1 * Anemometer1 * Storage Pouch1 * Manual (English)