Protmex PT6252A Digital Anemometer Testers Meters Handheld LCD Electronic Wind Speed Meter Air Volume Measuring CFM Meter Backlight?Battery Included?

MS6252A Professional Digital Anemometer Function as follows: Flow Area Setting: YES MAX/MIN Function: YES Display Back light: YES Auto Power Off: YES Low Battery indication: YES Product Specification: m/s(meter per second): 0.40~30.0 ±(2.0% reading+50) ft/m (feet per minute): 80~5900 ±(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 99990 0 to 9.999ft2 CMM: 0 to 99990 0 to 9.999ft2 CMS: 0 to 9999 0 - 9.999 m2 Power supply: 9V Battery (Included) Package included: 1 x Anemometer 1 x USER MANUAL 1 x Storage bag 9V Battery