Digital Anemometer Handheld Wind Speed Meter Bt-100 for Measuring Wind Speed, Temperature and Wind Chill with Backlight Lcd INTRODUCTION: 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. BTMETER 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. SPECIFICATIONS: Wind Speed Range: 0.3-30m/s (MAX up to 69mph) Temperature range: -10-45,14-113 Accuracy of Wind Speed: 0.1dgts Resolution: 0.1m/s Back Light Wind Chill Indication Low Battery Indication Manual/Auto Power Off Wind Speed Unit Selection: m/s Ft/min Knots Km/hr Mph MAX/MIN Average/Current / Battery Type: 2* 1.5V AAA Battery( NOT INCLUDED) If you have any questions after receiving the product, please feel free to contact us, we will do our best to solve the problem for you, thank you very much for your purchase