| Display | Big Color TFT |
| FHR Performance | Integrative Sensitivity: ≥90db |
| FHR Measuring Range: 50~210BPM |
| Accuracy: ±2BPM |
| Speaker Power: 0.5W |
| Ultrasound Probe | Working Frequency: 2.5MHz±15% |
| Working Mode: Continuous Wave Doppler |
| Spatial-peak Temporal-peak Intensity: <21.7kPa |
| Ultrasonic Output Intensity: <10mW |
| Effective Radiating Area of Transducer: 157mm2±15% |
| Acoustic Parameters | IOB: < 20mW/cm2 |
| P-: <1MPa |
| ISPTA: < 100mW/cm2 |
| Measuring Time | 1 minute |
| Working Environment | Temperature: +5oC~+40oC |
| Humidity: 15%~85% |
| Atmospheric Pressure: 86kPa~106kPa |
| Transport and Storage Environment | Temperature: -10oC~+55oC |
| Humidity: 10%~93% |
| Atmospheric Pressure: 86kPa~106kPa |
| Safety Type | Internal power supply, Type BF applied part |
| Product | Product Size: 41*93*143 mm |
| Net Wight: 170g±5g(excluding batteries) |
| Unit Package: 205*135*70mm |
| Carton | Carton Size: 425*422*382mm |
| QTY/Carton: 30pcs |
| G.W./Carton: 6.5KG |