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 />m/s  (meter per second)  0.40~30.0  ±(2.0% reading + 50 )<br />ft/m  (feet per minute)  80~5900  ±(2.0% reading + 50 )<br />km/h  (kilometer per hour)  1.4~108.0  ±(2.0% reading + 50 )<br />mile/h(mile per hour)   0.9~67.0  ±(2.0% reading + 50 )<br />Knots(nautical miles per hour)  0.8~58.0  ±(2.0% reading + 50 )<br />CFM   0 t o 9 9 9 9 0   0 to 9.999ft2<br />CMM   0 t o 9 9 9 9 0   0 to 9.999ft2<br />CMS   0 t o 9 9 9 9   0 - 9.999 m²<br />Flow Area Setting  √<br />MAX/MIN Function   √<br />Display Back light  √<br />Auto Power Off   √<br />Low Battery indication  √<br /><br />GENERAL<br />Power Supply  l x 9 V 6 F 22<br />Product Size  165mm x 85mm x 38mm (6.5" x 3.3" x1.5")<br />Product Weight  2 0 0 g ( 0 .41b)<br />Category  CE<br /><br />Package list:<br />Host * 1<br />English manual * 1<br />Meter Bag * 1<br />Carton packaging<br /><br /><img src="//agdetail.image-gmkt.com/m430/627/694/620694627/img/agdetail.image-gmkt.com/627/694/620694627/img/img6.eachbuyer.com/x9/p100/eb5387_4.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/627/694/620694627/img/agdetail.image-gmkt.com/627/694/620694627/img/img6.eachbuyer.com/x9/p100/eb5387_5.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/627/694/620694627/img/agdetail.image-gmkt.com/627/694/620694627/img/img6.eachbuyer.com/x9/p100/eb5387_6.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/627/694/620694627/img/agdetail.image-gmkt.com/627/694/620694627/img/img6.eachbuyer.com/x9/p100/eb5387_7.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/627/694/620694627/img/agdetail.image-gmkt.com/627/694/620694627/img/img6.eachbuyer.com/x9/p100/eb5387_8.jpg" />