B3 Home Doppler Ultrasound Handheld Fetal Heart Pregnant Women Fetal Heart Monitor(Green)

1. Material: ABS2. Rated voltage: DC3V3. Ferry heart rate range: 50bpm-230bpm4. Precision of fetal heart measurement: +/- 2bpm5. Ultrasonic frequency: 3.0MHz6. Power method: dry battery7. Battery: No. 5 battery x 2 (without the battery)8. Waterproof level: IP59. Built -in speaker and audio output interface, you can listen to your baby’s heartbeat fresh10. Built -in intelligent noise reduction and sound insulation unit, effectively reduce noise, and clear output11. Large -sized LCD display, convenient for reading12. The instrument will have no operation in 60 seconds in the boot state 13. Automatically shut down without waste of the power14. Product size: 7.8 x 6.8 x 3.2 cm15. Net weight: about 140 gramsPacking list:-Gethery x 1-3.0 MHz probe x 1-The manual x 1