Anemometer: 1.Air Velocity & Temperature Measurement;2.Max/Average/Current air velocity measurement;3./ Temperature unit selection;4.Five units of air velocity:M/s, Km/h, ft/min, Knots, 5.Beaufort scale;6.Backlight display;7.Manual/Auto power shut off;8.Wind chill indication;9.Low battery indication.wind speedMeasuring items :Air velocity (Wind speed), Air temperatureRange of Air velocity :0~30m/s, 0~90km/h, 0~5860ft/min, 0~55knots, 0~65mphAccuracy of Air velocity :5%Range of Air temperature :-10-45CelsiusAccuracy of Air temperature :2CelsiusResolution of Air velocity :0.1m/s, 0.2CelsiusBattery :CR2032 (not included)Thermometer :NTC thermometerOperating humidity :Less than 90%RHStore temperature :-40 ~+60 Current consumption :. 3mAColour:orangeMaterial:plasticPackage contents:1 x Handheld AnemometerOnly the above package content, other products are not included.Note: Light reflection 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.