1) Wind speed & temperature
2) Wind chill indicstion
3) ℃/℉
4) Different wind speed measurement unit
5) Measure wind speed in: Current/Average/Max/Min
6) Low battery warning
7) LCD back-light
8)Manual/Auto Power Off

1) Put battery into battery compartment, All the Symbol will blink for 1 second on the display
2) Recover battery cover, screw down  press “①” in 1 second to turn on the unit. LCD will display wind speed, temperature and battery icon. Press again, it will power off.
3) Setting different wind speed unit： Press “②”each time, it will circulated among“m/s”, “Km/h”, “Ft/min”, “Knots”,and “mph” Digit symbol: M/s meter per second; km/h kilometer per hour; Ft/min feet per minute; knots nautical mile per hour; mph mile per hour;

4) Max/min: Press“③”it will display max or min
5) Back light：Press“④“，back light will turn on, press again, it will turn off , active for 15 second.
6) ℃/℉ switch option: Press“⑤”to select different temperature unit.
7) Average: Press "⑥" , average reading  in 15 seconds will be displayed.
8) Measurement: when the wind vane (impeller) turns, LCD instant display wind speed and temperature. When temperature below 0 ℃, wind chill  symbol will show on the LCD.