| Content | Parameter |
| Product Name | Fingertip Pulse Oximeter |
| Model | ROC-89 |
| Power | 2x1.5V Batteries, not included |
| Oxygen Saturation | Range: 70%~99% |
| Accuracy: ±2% (70%~99%); ≤70%,undefined |
| Resolution Ratio: oxygen saturation ±1% |
| Pluse | Range: 35BPM - 250BPM |
| Accuracy: ±1BPM/±1% of measuring value(take Maximum) |
| Environment | Operating Temperature: 5 oC to 40 oC |
| Storage Temperature: -10 oC to 40 oC |
| Operating Humidity: 15%-80% |
| Storage Humidity: 10%-80% |
| Atmospheric Pressure: 70kpa-106kpa |
| Display | Digital Display |
| Power Dissipation | ≤35mA |
| Power-off | Auto Power-off in 8S without any operation |
| Measuring Time | ≤20S |
| Product Size | 57*32*32mm |
| Net Weight | 25g |
| Unit Package | 83*56*36mm |