Check the listing for details. ViewTool MS6252A Multifunction Digital Anemometer Handheld LCD Electronic Wind S. Condition: New. Listed at 30.99 USD. Product featuresThis meter is a portable, professional measuring instrument with large-screen LCD and backlight, multi-unit switching functionsThis meter can be used for hand-held or fixed measurement.This meter has the functions of reading hold, maximum, minimum, etc.It has a low battery indicator and USB real time data uploading functions.Product descriptionSpecifications:m/s(meter per second): 0.80~30.0 ±(2.0% reading + 50)ft/m (feet per minute): 79~5900 ±(2.0% reading + 50)km/h (kilometer per hour):1.4~108.0 ±(2.0% reading + 50)mile/h(mile per hour): 0.9~67.0 ±(2.0% reading + 50)Knots(nautical miles per hour): 0.8~58.0 ±(2.0% reading + 50)CFM 0 to 9990 0 to 9.999ft2 CMM 0 to 99990 0 to 9.999ft2CMS: 0 to 9999 0 - 9.999 m² Flow Area Setting:√MAX/MIN Function:√Display Back light:√Auto Power Off:√Low Battery indication:√Power supply:9V 6F22 battery(not included in this order)General Characteristics:Product Size:6.61inx 3.34in x1.57in(168mmx85mmx 40mm )Item Net Weight:190g(0.421b)Packing Gross Weight: 400g(0.88Ib)Packing Size:7.9inx4.4inx2.7in(200mm*111mm*69mm)Package Include:1x MS6252A DIGITAL ANEMOMETER METER1xEnglish User Manual1xBlack Meter Bag