Features: The wind speed direction sensor adopt a 4-cup rotating rack construction.YF-876 windmeter comes in a handheld and compact design with compass on the top,so you don'for t need to face to the direct windThis wind speed meter for measuring wind speed range 1.5-93mph,2.5-150km/h,1.3-81Knots,0.7-42m/s with 12 level beaufort scales. High precision of +/-4%,resolution up to 0.1m/s.Accurate anemometerWith 2.2 inches LCD screen,max/Avg/Current wind speed value display,it clearly and make it possible to see the digits easily.Extremely suitable for outdoor activities, such as sailing race, camping, fishing, hiking, drone flight or daily use: HVAC and more.It's a lightweight,pocket size handheld anemometer,easy to replace the battery with coins.The battery cover has a waterproof rubber ring,you need to tap the windmeter lightly and the battery cover wil Specifications:Size: Approx. 150x56mm/5.9x2.2inchPower Source: 3 Pieces AAA Bateries(Not Included)Material: Plastic Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:One Set Digital Anemometer