ITEM NAME:Digital Beaufort Wind Scale Anemometer Thermometer W9M3 Digital Beaufort Wind Scale Anemometer Thermometer W9M3 Measure wind and temperature. Large easy-to-read LCD display with backlight. Wind in Beaufort wind scale bar graph. Wind chill indication. Data hold function. Description:High precision pressure sensor. Quick response, external thermistor. Auto/manual power off. Temperature display in /F. Wind speed range: 0-30m/s Wind temperature range: -10 - 45 (14-113F) Current/max/average wind speed reading. Wind speed unit: m/s, Km/h, ft/min, Knots, mph..Wind in Beaufort wind scale bar graph. Wind speed range: 0-30m/s. Wind chill indication. Wind temperature range: -10 - 45 (14-113F). Current/max/average wind speed reading. Wind speed unit: m/s, Km/h, ft/min, Knots, mph.