HOLDPEAK 866B Digital Anemometer Handheld Wind Speed Meter for Measuring Wind Speed, Temperature and Wind Chill with Backlight and Max/Min Steday Wind Speed Measurement & High Accuracy: Wind Speed Range: 0.3-30m/s and Accuracy: 0.1dgts ESSENTIALS FOR BAD WEATHER:You will know the hurricane trend before going out. HOLDPEAK anemometer provides fast measurement for analysis of critical environment conditions. MULTIFUNCTIONAL ANEMOMETER YOU WILL NEED: Wind Speed, temperature and wind chill in one LCD display. Digital Anemometer Handheld measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. MORE EXTRA SPECIFICATIONS THAN OTHERS WIND SPEED METER: Through the built-in temperature regulator to adjust C/F temperature. Record and recall Max/Min/Average/Current function. Low battery indication. Screw hole in the button can be connected a lanyard. REASSURING AFTER-SALES SERVICE: We have perfect quality. If the meter what you received have any quality issues, please contact our After-sales personnel in time and we will serve you in good faith.