* 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)