Features 1、Wind speed & temperature measurement. 2、Wind chill indication. 3、Temperature display in Celsius or Fahrenheit. 4、Different wind speed measurement unit including m/s, Ft/min, Knots, km/h, Mph. 5、Measure wind speed in: Current/Average/ Max. Specification Features: 1. Wind speed & temperature measurement. 2. Wind chill indication. 3. Temperature display in Celsius or Fahrenheit. 4. Different wind speed measurement unit including m/s, Ft/min, Knots, km/h, Mph. 5. Measure wind speed in: Current/Average/ Max. 6. Low battery warning. 7. LCD backlight . 8. Auto / Manual power off. Wind Speed Measuring 0.3~45m/s Wind Speed Accuracy ±5% Wind Speed Units m/s,Ft/min,Knots,km/h,Mph Current/Average Measuring yes Temperature Measuring Range -10°C~45°C Temp. Resolution 0.2℃ ℃/℉ Selection --- Backlight Display yes Low Battery Indication --- Data Hold Function yes Resolution 0.1m/s Max & Min Measuring Max only Range Bar Graph yes Wind chill indicaton yes Auto/Manual Power Off yes Power CR2032 3.0V (not included) Product Net Weight / Size 58g / 110*43*21mm Packing Contents: 1pc anemometer , 1pc user's manual, 1pc blister package Operation Guide: 1. Put battery into battery compartment, LCD will blink all display for a second. 2. Recover battery door, push" MODE "in 1s to turn on the unit. LCD will display wind speed, temperature & battery icon. LCD backlight will lasting for12s. 3. Setting different wind measurement: Push "MODE"for 3 seconds until"m/s" starts to blink. Push" SET "to select desired measurement unit. To confirm the desired measurement unit by push" MODE ". Digit symbol:m/s meter per second; km/hr kilometer per hour; ft/min feet per minute; knots nautical mile mph mile per hour; Cu Current wind speed, MAX max wind speed, average wind speed. 4. ℃/℉ switch option:Press the little conceal key on the rear cabinet to select different temperature unit 5. Press any key will active LCD backlight for 12 seconds. 6. Measurement: when the wind vane ( impeller ) turns, LCD will instant display wind speed and temperature. When temperature below 0℃, wind chill symbol will shown on the LCD. 7. Push MODE+SET to turn off the unit. 8. Build in 14 mins auto off Remark: Temperature switch key ( ℃/℉) conceal in the rear cabinet, pls use a little pushpin to press the key for ℃/℉ conversion. Wind speed / temperature measurement range: Unit Range Resolution Accuracy ℃ -10℃~+45℃ 0.2 ±2℃ ℉ 14℉~113℉ 0.36 ±3.6℉ Current consumption About 3mA Weight 52g (including battery Weight and langyard) Battery 9V Battery (not inlcude ) Wind speed range Unit Range Resolution Threshold Accuracy m/s 0~45 0.1 0.1 ±5% Ft/min 0~5860 19 39 Knots 0~55 0.2 0.1 Km/h 0~90 0.3 0.3 Mph 0~65 0.2 0.2 The operating environment: Thermometer NTC thermometer Operating humidity ≤90% RH Operating temperature -10℃~+45℃(-14℉~113℉) Store temperature -40℃~+60℃(-40℉~140℉) Package List