Features:
1.Air Velocity & Temperature Measurement;
2.Max/Average/Current air velocity measurement;
3.℃/℉ Temperature unit selection;
4.Five units of air velocity:M/s, Km/h, ft/min, Knots, mph
5.Beaufort scale;
6.Backlight display;
7.Manual/Auto power shut off;
8.Wind chill indication;
9.Low battery indication.

10.Switch wind speed units.

11.Real-time measurement of wind speed and average wind speed.

12.Measurement of wind speed and temperature.

13.Measurement of maximum wind speed and minimum wind speed.

Specifications:
A. Wind velocity measurement:

Measurement range: 0-30m/s; 0-5860ft/min; 0-55knots; 0-90km/h; 0-65mph.

Resolution: 0.01m/s; 1.968ft/min; 0.019knots; 0.036km/h; 0.022mph.

Threshold: 0.3m/s; 60ft/min; 0.6knots; 1km/h; 0.7mph.

Accuracy: ±5% ±0.1m/s; ±5%±20ft/min; ±5%±0.2knots; ±5%±0.4km/h; ±5%±0.2mph.

B. Wind temperature measurement:

Measure range: -10'C~45'C; 14'F~113'F

Resolution: 0.1'C; 0.2'F

Accuracy: ±2'C; ±3.6'F

Battery: 9V battery(6F22) Not with the battery.

Temperature sensor: Negative Temperature Coefficient Resistance.

Operation Temperature: -10'C ~ 45'C(14'F~113'F)

Operation humidity: less than 90%RH.

Storage temperature: -10'C~50'C(14'F~122'F)

Current consumption: about 6mA

Weight: 184g

Size: 165X85X39/mm

Package included 

1 x hand-held anemometer (no including battery)

1 x Neck Strap/Lanyard

1 x Instruction Manual