App Via BluetoothThe Wind Speed Meter Can Be Easily And Automatically Connected With Your Smartphone Via Bluetooth By Android Or Ios System. You Can Also Download Txt And Excel Files And Save The Data, It Is Very Convenient For You . Accurate AnemometerAccurate Measurement Of Wind Speed From 0.67 To 67 Mph, Wind Temperature From 14 11 -113 0.01 Dgts And Accuracy Of 0.2 Of Wind Speed And Wind Temperature. With Sensitive Sensor And 8 Blades, You Get Wind Speed Data Other Anemometer. Multifunctional Wind GaugeWith Data Hold, Large Backlight Display, Easy To Read Even In The Dark. Darkness.Low Battery Indicator, Remind You To Replace The Battery In Time.Auto/Manual Power Off, And You Can Set The Power Off Time In Your Phone App To Save Battery. Humanized DesignLightweight Anemometer And Compact, Delivered With A Small Tripod Ed And A Lanyard To Connect, It Is Convenient For You To Record The Data And Keep Your Hand Free.Ideal For Outdoor Activities Such As Windsurfing, Drone Flying, Sailing, Fishing, Hiking, Long-Distance Shooting, Etc. Buy With Confidence1* Anemometer, 1* Small Screwdriver, 1* Small Tripod, 1* Lanyard, 2* 1.5V Aaa Battery Are Included. Offers 365 Days Quality Guarantee. If There Is A Quality Problem, We Will Replace It. Do Not Hesitate To Contact Us We Will Respond Within 24 Hours.