*Measurement items: Air velocity, Air temperature    

*Range of air velocity:  0~30m/s, 0~90km/h, 0~5860ft/min, 0~55knots, 0~65mph    

*Accuracy of air velocity: ±5%    

*Range of air temperature: -10~45℃, 14~113℉    

*Accuracy of air temperature: ±2℃    

*Resolution: 0.2℃;  0.2m/s    

*Max/Average/Current air velocity reading    

*℃/℉ selection  and Wind chill indication      

*Auto power off: 14 minutes without any operation    

*Low battery indication        

*Power：CR2032 3.0V