Complaint
| Spo2% | Measurement range | 0 ~ 100% |
| Measurement accuracy | ±2 % at 70% ~ 100% no indication at 0% ~ 69% | |
| Pulse rate | Measurement range | 30 bpm ~ 250 bpm<o:P> |
| Measurement accuracy | ±1 bpm or ±2% whichever is greater | |
| Probe type | Led red wavelength | 660nm |
| Led infrared wavelength | 880~940nm | |
| Temperature range | Operating | (-10 ~ + 40)°c |
| Transport/storage | (- 40 ~ + 55)°c | |
| Relative humidity (noncondensing) | Operating | 0~93 % |
| Transport/storage | 0~95 % | |
| Power requirements | Battery | Four standard aa size rechargeable |
| Ni-mh batteries are applied on Gb,input voltage | 110~240v AC 50/60hz, | |
| Input power | 14va | |
| Continuous operating time | Internal power operating time | ≥10h |
