- Automatic power-off function
- Color OLED to display SpO2, pulse rate and PI as well as the bar-graph of pulse
- Stored measurement results transmission to PC by serial port
- Two AAA batteries are required for operation with low power consumption
- Battery voltage indication
- Alarm function, high & low alarm limits adjustable
- Time & date display, adjustable by the user
- Time setting for the automatic measurement
- Storage mode selectable: 1 group/ 1s, 1 group/4s, 1 group/8s
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