100% brand new and high quality Introduction: This product is specially designed for outdoor conditions,provides you temperature,humidity and wind speed data,accurate measurement with professional design. Excellent for sports,such as cycling and hiking,camping or other activities,great to measure your weather conditions,good for your training. 3 in 1 multi-functional meter,portable and practical,measure wind speed,wind gust-,wind- chill.Powered by battery,when it runs out of power,you can change a new one. Features: 1.Wind Speed,temperature and humidity measurement. 2.Wind speed unit option: m/s,ft/min,knots,km/h,mph-. 3.White backlight screen. 4.Celsius and Fahrenheit unit switch. 5.Max/Min/Average value. 6.Data maintenance function. 7.Wind- chill index prompt. 8.Low power battery warning. 9.Automatic power off. 10.Calibration. anemometer only,other accessories demo in the picture are not included! Specification: Main Material: Plastic Model: TL-300 Type: 3 in 1(Thermometer/Hygrometer/Speed Meter) Color: Blue,Red,Black(optional) Wind Speed measurement range: 0.3-30m/s Accuracy: +-5% Temperature Measurement Range: -10 to 50- Degrees Celsius(14 to 122 Fahrenheit) Accuracy: +-1 Degrees Celsius Humidity Measurement Range: 20% to 90% accuracy: +-5% Resolution ratio: 0.1m/second,1%,0.1 degrees celsius Operating Temperature: 0 to 50- Degrees Celsius(32 to 122 Fahrenheit) Operating Humidity: 10- to 90%RH Storage Temperature: -10 to 60 Degrees Celsius(14 to 140 Fahrenheit) Storage Humidity: 10 to 75%RH Power Supply: 1 x Battery(Not Included) Size: One Size 11x4.5x4cm/4.33x1.77x1.57in Quantity: 1 Pc Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Anemometer