Description: 100% brand new and high quality. Easy to operate. Small and easy to carry. Full-featured. Accurate measurement. Specification: Material: ABS material Size: Approx. 200 x 50 x 30mm/ 7.87 x 1.97 x 1.18inch Scope of application: power, steel, petrochemical, energy-saving and other industries Range: 0~30m/s,Resolution: 0.01m/s,Accuracy: ±(3%+0.2) air temperature?Range :0~50?, Accuracy ±2 ? Range:0~63549 CFM,Resolution: 1(