Usage Tips:Measure wind speed and temperature.Large easy-to-read LCD display with backlight.Wind speed in Beaufort wind scale bar graph.Wind chill indication.Data hold function.Color: yellowMaterial: ABSHigh precision pressure sensor.Quick response, external thermistor.Auto/manual power off.Temperature display in ℃/F.Wind speed range: 0-30m/sWind temperature range: -10 - 45℃ (14-113F)Current/max/average wind speed reading.Wind speed unit: m/s, Km/h, ft/min, Knots, mph.Powered by a 3V CR2032 battery.Package Contents:1 x 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.