Integrated with SpO2 probe and processing display module, data can be uploaded to computers and transmitted in real time. The oximeter is small in volume, light in weight and convenient to carry. Display can be easily change from SPO2 value, pulse rate value, bar graph or pulse waveform. It is simple to operate with low power consumption. The Oximeter also features a pulse rate sound indication and automatic power-off function and is powered with two 1.5V alkaline batteries; low-voltage indication.