Model : MS6252B Quantity : 1Piece : person of color + spectral color Material : ABS + PET Specification Screen Size : 1.65 inch steam-powered By : 1 x 9V 6F22 -LRB- enclosed -RRB- Battery Number : 1 Battery enclosed or not : Yes early Features : This meter can be victimized for handheld or unchangeable measurement -LRB- air flow meter, extremity anemometer, wind meters -RRB-. This meter the functions of reading. -LRB- meter per agreement -RRB- : 0.40 ~ 30.0 ± -LRB- 2.0 % reading + 50 -RRB- ; ft/m -LRB- feet per second -RRB- : 80 ~ 5900 ± -LRB- 2.0 % reading + 50 -RRB- ; km/h -LRB- kilometer per hour -RRB- : 1.4 ~ 108.0 ± -LRB- 2.0 % reading + 50 -RRB- ; mile/h -LRB- mile per hour -RRB- : 0.9 ~ 67.0 ± -LRB- 2.0 % reading + 50 -RRB- ; Knots -LRB- transportation miles per hour -RRB- : 0.8 ~ 58.0 ± -LRB- 2.0 % reading + 50 -RRB- ; Air Temperature : -20 to 60 °C -LRB- -14 to 140 °F -RRB- 1.5 °C -LRB- ± 2.7 °F -RRB- ; Air mortal Humidity : 0 to 100 % RH ± 3 % ; CFM : 0 to 9 9 9 9 0 0 to 9.999 ft2 ; CMM : 0 to 9 9 9 9 0 0 to 9.999 ft2 ; CMS : 0 to 9 9 9 9 0 - 9.999 m ² Certification : EMC&LVD, RoHS Dimensions & Weight Dimensions : 6.69 in x 3.39 in x 1.77 in -LRB- 17 cm x 8.6 cm x 4.5 cm -RRB- Weight : 5.5 oz -LRB- 156 g -RRB- Packing List 1 x Anemometer 1 x Cloth pouch 1 x USB data cable -LRB- 150 cm -RRB- 1 x CD 1 x 9V 6F22 battery 1 x the English user handbook .