Introduction: Anemometer can be used in electric power,steel,petrochemical,and other industries.Slim sensor allows operation in small space and the extended handle can be used for more limited occasions. Feature: 1. Model: GM8903 2. Split type Digital Air Flow Anemometer 3. Air Velocity, Air Quantity & Temperature Measurement (Comes with Thermometer Feature) 4. Max/Average/Current air velocity measurement 5. C/F Temperature unit selection 6. Data Hold 7. USB Interface 8. Backlight display 9. Manual/Auto power shut off 10. Wind chill indication 11. Low battery indication 12. Max/Min reading Specification: 1. Measuring items:Air velocity , Air temperature,Air Quantity 2. Measuring Range:Air velocity:0~30m/s,Air temperature:0~45C,32F~113F 3. Air quantity:0~999900m3/min 4. Resolution:0.001m/s,0.1C 5. Units of velocity:m/s,Ft/min,Knots,Km/hr,Mph 6. Air temperature Measuring Accuracy:2C 7. Air Velocity Measuring Accuracy:3% 0.1dgts 8. Unit size:76.8*38*170.4mm 9. Power supply:4-1.5V AAA Batteries Packet Content: 1 xAnemometer 1 x Instruction ManualChina