- 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 />Air Temperature   -20 to 60°C(-14 to 140°F)   1.5°C(±2.7°F)<br />Air Relative Humidity  0 to 100% RH   ± 3 %<br />CFM   0 to 9 9 9 9 0   0 to 9.999ft2<br />CMM    0 to 9 9 9 9 0   0 to 9.999ft2<br />CMS    0 to 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 />°C/°F Selection  √<br />Ambient , Dew Point & Wet Bulb Temperature Selection  √<br />Low Battery  indication      √<br />USB Interface     √<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 />Data cable * 1<br />Disc * 1<br />Carton packaging<br /><br /><img src="http://img6.eachbuyer.com/x9/p100/eb5388_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb5388_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb5388_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb5388_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb5388_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb5388_9.jpg" />