Features: _x000D_ 1. 100% brand new and high quality. _x000D_ 2. The hand-sized anemometer is convenient to carry. _x000D_ 3. Multi-function measurement can be measured: wind speed, temperature, humidity, atmospheric pressure, illumination, altitude, dew point, cold air prompt and air-cooled indication. _x000D_ 4. LCD backlight design for easy reading. _x000D_ 5. Anemometer LCD digital display is an ideal professional measurement of wind speed and wind temperature tools, and can also be used for industrial and domestic purposes, such as measuring wind speed. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Model: GM8910 _x000D_ Measuring item Measuring range Resolution Accuracy Response time _x000D_ Temperature -20.0 to 60.0 0.1 C 1 1s _x000D_ Humidity 0 to 100.0%RH 0.1%RH 5%RH 1s _x000D_ Wind chill -40.0 to 10.0 0.1 2.0 1s _x000D_ Dew point -40 .0to 60.0 0.1 2.0 1s _x000D_ Wind speed 0.7 to 30.0 m/s 0.1 m/s 3%+/-0.3m/s 1s _x000D_ Barometric Pressure 300 to 1100 hPa 0.1 hPa 1.0hPa 1s _x000D_ Alititude -500 to 9000m 1m 1s _x000D_ Illumination 0 to 55000 lx 1 lx 3% 1s _x000D_ _x000D_ Power: 2 x CR2023(not included) _x000D_ Weight: Approx. 190g / 6.7oz _x000D_ Size: Approx. 48 x 22 x 122mm / 1.9 x 0.9 x 4.8in _x000D_ _x000D_ Package List: _x000D_ 1 x Digital Anemometer _x000D_ 1 x Hanging Rope _x000D_ _x000D_ _x000D_ Note:_x000D_ _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.