Intergrated with SpO2 probe and processing display module , Very quick testing and the measuring time is shorter, SpO2, PR, PI Pulse wave accuretley, SpO2, PR, PI pulse wave, bar graph display, Battery life indicator, Colour OLED display, Auto screen rotation, Three language settings: English, Spanish and Portuguese, Low power consumption, shuts down automatically when not in use. Small volume, light, convienent to carry. 6 hours continuous operation. 8 hour sleep monitoring and recording system.