Feature:1. Builtin Bluetooth, the meter can be connected to a mobile phone and controlled by APP.2. The anemometer is lightweight and portable and can measure wind speed and temperature.3. Unit conversion: temperature units and , wind speed units m/s, km/h, ft/min, and mph.4. LCD screen with backlight, with data retention function, easy to read the measurement results.5. Simple button design, easy to operate. It feels comfortable and easy to hold.Specification:Item Type: Bluetooth AnemometerMaterial: ABSColor: As shown in the pictureSize: Approx.188x36x56mm / 7.40x1.42x2.20in ModelWT82BWind speed rangeResolutionThresholdAccuracy0-30.0m/s0.10.3(5%+0.1)0-5860Ft/min1960(5%+20)0-55.0knots0.10.6(5%+0.2)0-90.0km/h0.31(5%+0.4)0-65Mph0.20.7(5%+0.2)Wind speed temperature range-10~45.0C; 14.0~113.0FAccuracy2C/3.6FWorking environment-10~50C <90%RHStorage environment-40~60C <90%RHPower supply3 x 1.5V AAA(Not included)Data storage999 groupsAutomatic shutdownYesBacklight selectionYesBattery indicatorYesMaximum/Ave displayYesData storageYesBluetooth functionYesUnit switchableYes.Package List:1 x Anemometer(Battery Not Included)1 x Instruction ManualNote:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.