Reliable measurement of oxygen saturation and pulse rate. For practice, clinic and home use. Clear, 90° rotatable OLED display with large numbers. Easy operation with just one button press. Result within a few seconds. Convenient measurement directly on the finger. 4 different display modes. Automatically rotatable display. Display of pulse rate as wave and / or bar graph. Switchable alarm function and pulse tone. Attractive and compact design (57 x 33 x 32 mm, 50g incl. batteries).