Complaint
| SpO2 | Measurement Range | 0 ~ 100% |
| Measurement Accuracy | ±2 % during 70% ~ 100% ±3 % during 50% ~ 69% Pulse rate | |
| Pulse Rate | Measurement Range | 15 BPM ~ 400 BPM |
| Measurement Accuracy | 1 BPM or ±2% take the bigger one | |
| Visual display and indicators | SpO2 % display | Red LED variable brightness |
| Pulse Rate display | Green LED variable brightness | |
| Pulse intensity | Red LED 8 bars | |
| Power indicator light | Green | normal Low power voltage Red and Blink |
| Low Perfusion indicator | Red bar | |
| Audio Indicator | Probe off audio indicator ( Every thirty seconds) | |
| Pulse audio indicator | ||
| Key-pressing indicator | ||
| Low power voltage | ||
| Temperature Range | Operating | (0 ~ + 50)°C |
| Transport/Storage | (- 40 ~ + 70)°C | |
| Relative Humidity (noncondensing) | Operating | 10~95 % |
| Transport/Storage | 0~95 % | |
| Power Requirements | Input | 98~260V AC, 50/60Hz |
| Input power | <80VA | |
