The SILVA WINDWATCH is the ideal portable wind gauge for all outdoor activities. It offers a wide range of functions including

Windspeed: Peak wind speed, either absolute or over a selected measuring period | Average wind speed over a selected measuring period | Current wind speed | All standard speed units can be displayed. Simply press a button and select from mph, knots beaufort, km/h, m/s

Temperature: Temperature range of -20°C to 55°C (-4°F to 131°F), Temperature display in Celsius or Fahrenheit

Wind-Chill: Subjective ambient temperature taking current or peak wind speed into account Configuration: In Configuration mode, the WINDWATCH can be programmed to suit the user's individual requirements. Among others, the following parameters can be configured: wind speed units | unit of time for calculation of average values | a correction option for temperature deviations | Additional features

Weight: 42g
Dimensions: 10 x 4 x 1.8 cm (3.93 x 1.57 x 0.70 in)
Casing: High impact ABS
Water-resistant: IP64
Battery type: 3V lithium battery (included)
Battery life: approximately 2 years or 100,000 one-minute measurements
Lanyard: included
Warranty: 2 years

Resolution of wind speed 0.1 m/s
Update Every second | Averaging 5/10/15/20/25/30/35/40 sec
Operating temperature -20°C - +55°C
Operating range 0.1 m/s - 40 m/s
Accuracy for wind speed ±4 % .