This unit is an ideal tool for windsurfing， sailing， fishing， kite flying and mountaineering. You can also use it for industrial and home purposes such as measuring wind speed and temperature of CPU， computer fans， air-conditioners， air blowers， etc. This BENETECH GM816A Mini Pocket-size Digital Anemometer adopts new and low power consumption chips along with innovative and scientific design， and then achieves high accuracy， high stability and high cost performance. Besides， adopting ergonomic principle， this tool is comfortable to use. Compact appearance and gorgeous handfeel make sure convenient， quick and easy operation. It is really a necessary tool!                                    Features             Measure wind speed and temperature<br> The wind speed measuring range is from 0 to 30m/s<br> Current and average wind speed measuring<br> Maximum and minimum wind speed measuring<br> Temperature display in ℃ / ℉<br> LCD white backlight display<br> Auto / Manual power off<br>                                                            Specifications             Model     GM816A    <br> Weight     187 g / 6.6 oz    <br> Dimensions     (16 x 5.5 x 3.5)cm / (20.5 x 15.5 x 5.5)    <br> Color     White ， Black    <br> Material     Plastic    <br> Wind Speed Range     0-30 m/s    <br> Wind Temperature Range     -10-45℃     <br>                                                             Package Includes            1 x Digital Anemometer<br>1 x Manual<br>1 x Battery<br>