- Display mode: LED display
- Blood oxygen saturation: Measuring range from 70% ~ 99%
- Measurement accuracy: ± 2% within 70% ~ 99%, below 70% accuracy is not defined
- Pulse rate: Measuring range from 30BPM ~ 240BPM
- Measurement accuracy: ± 1BPM or 1% of the measured value
- Battery Model: 2 AAA 1.5V alkaline batteries (not included)
- Automatic shutdown: When no finger is inserted, it will shut down automatically after 8 seconds