| Dimension | 58x32x36mm |
| Screen Type | OLED high-end display |
| Battery | 2 No (AAA) 1.5V alkaline batteries |
| Blood Oxygen Measurement Range | 0 ~ 100% (Resolution is 1%) |
| Blood Oxygen Measurement Accuracy | 70 ~ 100% ± 2%, Less than 70% undefined |
| Pulse Measurement Range | 30 ~ 250 BPM (Resolution is 1 BPM) |
| Pulse Measurement Accuracy | ±2 BPM or ±23%, whichever is greater |
| SpO2 Measurement Range | 5% ~ 99% |
| SpO2 Accuracy | +1% in the range of 90% ~ 99%, +2% in the range of 70% ~ 89% |
| SpO2 Alarm Range | Consistent with the display range, the set step length is 1% |
| Pulse Rate Alarm Range | Consistent with the display range, the set step length is 5 BPM |
| Data Update Cycle | 0.25s ~ 2s |
| SpO2 PR Average | 8s |
| Pulse Rate Sound | PR tone |
| Peak Wavelength Range | 500nm ~ 1000nm |
| Maximum Optical Output Power | 150mW |
| Pulse Rate Display | Numeric |
