1. Display mode: LED display
2. Display type: red nixie tube display
3. Product Type: Finger Clip
4. Working voltage: DC 2.6V-3.6V
5. Power consumption: not more than 25mA
6. Safety Type: BF Application Equipment
7. Blood oxygen range: 0 ~ 100% (resolution is 1%)
8. SpO2 accuracy: 70 ~ 100%, +/- 2%, less than 70% undefined
9. Pulse rate range: 30-250bpm (resolution is 1bpm)
10. Pulse rate accuracy: +/- 2bpm
11. Size: 57x31x32mm
12. Weight: 50g
13. List: Host x 1, manual x 1, rope x 1
