This meter is a digital anemometer for measuring the ambient temperature， humidity， dew point temperature， wet bulb temperature， wind speed， and air volume. <br />This meter is a portable， professional measuring instrument with large-screen LCD and backlight， multi-unit switching functions. <br />This meter can be used for hand-held or fixed measurement. <br />This meter has the functions of reading hold， maximum， minimum， etc. <br />It has a low battery indicator and USB real time data uploading functions. <br />Power Supply: l x 9V 6F22 Battery<br />Product Size: 170mm x89mm x43mm(6.7" x3.5" x1.7")<br />Product Weight: 177g(0.39b)<br />Host * 1<br />English manual * 1<br />Meter bag * 1<br />Data line * 1<br />Optical disk * 1<br />Carton packaging !<br /><img src="http://img6.eachbuyer.com/x9/p100/cb775_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb775_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb775_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb775_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb775_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb775_9.jpg" />