Digital Anemometer Walfront Smart Sensor AR816- Digital LCD Anemometer Handheld Wind Speed Meter Gauge Air Flow Velocity Speed Tester Thermometer

Specifications: Wind Speed Measuring: 0~30m/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 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.