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 or s, km/h, ft or 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 or 7.40x1.42x2.20in ModelWT82BWind speed rangeResolutionThresholdAccuracy0-30.0m or s0.10.3(5 percent and0.1)0-5860Ft or min1960(5 percent and20)0-55.0knots0.10.6(5 percent and0.2)0-90.0km/h0.31(5 percent and0.4)0-65Mph0.20.7(5 percent and0.2)Wind speed temperature range-10-45.0C 14.0-113.0FAccuracy2C or 3.6FWorking environment-10-50C andlt 90 percent RHStorage environment-40-60C andlt 90 percent RHPower supply3 x 1.5V AAA(Not included)Data storage999 groupsAutomatic shutdownYesBacklight selectionYesBattery indicatorYesMaximum or Ave displayYesData storageYesBluetooth functionYesUnit switchableYes.Package List:1 x Anemometer(Battery Not Included)1 x Instruction ManualNote:1. Please allow 1and 8209 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.