Anemo-thermo-barometer-electronical compass with max speed reach and windchill factor, altitude and pressure tendencies.

• Balanced instant windspeed
• Maximum windspeed
• Temperature measuring range :-40°C to 80°C (-40°F to 176° F)
• Calculation of the wind chill factor
• Electronic compass in degrees
• Absolute pressure from 300 to 1100hPa
• Relative pressure with calibration
• Weather forecast with barometric pressure tendencies
• Altitude with calibration Definition: 1 meter/3 feet Maximum altitude 8000 meters

Features common to all 4 models:

• Features
• Wind speed units: km/h, m/s
• Maximum reading: 150 km/h, 42 m/s, 81 knots, 97 mph, 138 fps
• Backlight
• Stainless steel back
• Replaceable lithium battery
• Waterproof
• Operation temperature: -20°C to 70°C (-4°F to 158°F)
• Accuracy according to Swiss Standards