fDetermining arterial oxygen saturation (SpO2 ) and heart rate (pulse frequency), Simple and completely pain-free measurement, Small and light – for use at home and on the move, Particularly suitable for persons with: Heart failure, Chronic obstructive pulmonary diseases, Bronchial asthma, Suitable for sports at high altitudes (e.g. mountaineering, skiing and aviation sports), Easy-to-read colour display, Colour display with 4 display formats, Adjustable display brightness, The display orients automatically (vertical format, horizontal format), Graphical display of pulse, Low battery indicator, Automatic switch-off, Including retaining strap and belt pouch.