fēnix 3 HR watch is equipped with ABC sensors to provide relevant, real-time information. The built-in altimeter provides elevation data to accurately monitor ascent and descent, while the barometer can be used to predict weather changes by showing short-term trends in air pressure. The 3-axis electronic compass keeps your bearing whether you’re moving or not.
fēnix 3 HR watch auto-calibrates its ABC sensors using its GPS receiver and also auto sets the time based on location. For an extremely accurate temperature reading, pair it with our tempe external temperature sensor.