Product Suitable for construction, steel foundries, brick factories, glass facilities, boiler rooms, etcSpecificationsWind Speed Range: 0.7~30m/sAccuracy of Wind Speed: 5% DigitMaterial: ABS+MetalColor as shownResolution: 0.1m/sWind Speed Unit Selection: m/s, Ft/min, Knots, km/h, MphTemperature range: 0~50Accuracy of temperature range: +/-0.6Resolution: 0.1WBGT AlarmPress the MODE button to turn on WBGT alarm. Combining the data of the hazard level table to judge whether the temperature is too high.Backlit ScreenWhen WBGT alarms, the backlight color changes to red.Note: if the backlight is not turned on during the alarm, the backlightof the LCD will still be red.Low Battery IndicatorWhen the battery symbol appears on the LCD, it means the battery is low.Product Features:HumidityHeat indexWind SpeedAmbient TemperatureBlack Ball TemperaturePackage Contents:1 x Screwdriver2 x 5V AAA Batteries1 x 881W Digital AnemometerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.