Integrated with SpO­2 probe and processing display module. Suitable for  Hospital, Home, Community Medical Treatment, Sports Healthcare etc. Can measure SpO2 and pulse rate accurately. Pulse rate waveform and bar graph display. Battery voltage low indication. Four Directions and 6 modes. Screen brightness adjustable. Low power consumption, shut off automatically when no signal. Interference resistance capacity against ambient light measurement performance at low perfusion. Double colour LED Display.