Features: This anemometer is very compact and lightweight. It is an ideal tool for windsurfing and kite flying. You can also use it for industrial and home use, such as measuring the speeds and temperature of a CPU computer fan. Six impeller design more efficient and accurate measurement of wind status. Thermal probe, non-slip design gives you a better experience. LCD display allows you to clearly observe the measurement results. 5C / F temperature unit selection, wind range / unit available. Specification: Condition: Brand New Color: Shown as Picture Material: ABS Measurement Items: Air C irculate Rate, Air Temperature Wind Speeds Range: 0~30m/s, 0~90km/h, 0~5860ft/min, 0-55knotsf 0-65mph Accuracy Of Air C irculate Rate: ± 5% Temperature Range: -10-45 ° C (14-113t) Temperature Accuracy: ±2°c (3.6t) Air Circulate Rate Resolution: 0.1m/s, 0.2°c Battery: CR2032(Included ) Thermometer: Ntc Thermometer Working Temperature: -10-45°c (14-113t) Working Humidity: Less Than 90% Rh Storage Temperature: -40~+60 (-40°f~140°f) Current Consumption: About 3 mA Package List: 1 x Anemometer 1 x Manual