Features: Sensitive for low/high air velocity Ergonomic Design 0.3~45m/s range Operating Temperature: 10oC-50oC Operating Pressure: 500mB-2bar Display: Large 3 1/2 digit LCD Power Source: 1pc of 9V Battery Dimension: 168mm x 90mm x 31.3mm Weight: 500g Accessory: Carrying Case, 9V Battery, Instruction Manual