Feature:
This anemometer is a professional tool for windsurfing, sailing and kite flying. You can also use it for  industrial and home purposes such as measuring speed and temperature of CPU computer fans, air-  conditioners, airflow over the roof or walls.
1-Model: FSH8901
2-Color: Black & Red (with yellow rubber pouch)
3-Split type Digital Anemometer
4-Air Velocity & Temperature Measurement (Comes with Thermometer Feature)
5-Max/Average/Current air velocity measurement
6-C/F Temperature unit selection
7-Wind Speed Range/Unit Available:
0 - 45 m/s, 0 - 8800 Ft/Min, 0 - 88 Knots, 0 - 140 Km/Hr, 0 - 88 Mph
8-Beaufort scale
9-Data Hold
10-Backlight display
11-Manual/Auto power shut off
12-Wind chill indication
13- Low battery indication
14-Powered By (1) 9V Battery (not inclued)
15-Approved by CE/ROHS/FCC standard

Specification:
1-Measuring items: Air velocity (Wind speed), Air temperature
2-Range of Air velocity: 0 - 45 m/s, 0 - 8800 Ft/Min, 0 - 88 Knots, 0 - 140 Km/Hr, 0 - 88 Mph
3-Accuracy of Air velocity: ±3%
4- Range of Air temperature: 0-45C (32-113F)
5- Accuracy of Air temperature: ±2C (3.6F)
6- Resolution of Air velocity: 0.1m/s, 0.2C
7- Battery: 1x9V Battery (not included)
8- Thermometer: NTC thermometer
9- Operating temperature: -10-45C (14-113F)
10- Operating humidity: Less than 90%RH
11- Store temperature: -40 ~+60 (-40 F~140F)
12- Current consumption: Approx. 3mA
13- Net weight:303g Weight:343g
14- Dimension:
Meter :148*76*37mm
Vane: 172*65*20mm