| Display | HD LCD |
| Ultrasonic Frequency | 3.0 Mhz |
| Battery | AAA 1.5V Alkaline |
| Dimensions | 210*138*68(mm) |
| FHR Measurement Range | 50-210(±2) BPM |
| Performance | Battery Status FHR Value Volume |
| Measuring Mode | Manual Counting Real-Time Average |
| Function | Adjustable Volume Backlight |

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