Digital Anemometer Barometer Handheld, for Wind Speed Temperature Wind Chill Tester w/ Humidity, Altitude, Barometric Pressure Meter for ClimbingWind speed range: 0.3-30 m/s, 0.67 ~ 67.1 mphTemperature range: -10℃-45℃,14℉-113℉Relative humidity: 5-95%Dew point: 0-50℃,32℉-122℉Altitude: 0-6000 m,0-19685 FtAccuracy of wind speed: +/- 5% of readingsAccuracy of temperature: +/- 2℃,35.6℉Resolution: 0.2 mph,32.36℉,0.1%RHFunctions▶Wind speed▶Temperature▶Humidity▶Dew point▶Altitude▶Backlight▶Max/Min/Avg▶Manual /Auto power off▶Wind chill indication▶Barometer indication▶Low battery indication▶℃/℉ selection▶Wind speed unit selection▶Highly accurate and responsive