Sensor | GPS, GLONASS, Galileo, Multi-frequency Positioning, SatIQ Technology, Garmin Elevate wrist heart rate monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor, Pulse Ox Blood Oxygen Saturation Monitor | barometric altimeter, compass, accelerometer, thermometer, heart rate sensor, SpO2 sensor, sleep sensor, stress sensor, respiratory sensor |