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Large LCD with blue backlight
The SD1 is a modern all-in-one heartbeat doppler that uses a built-in speaker and a digital display for cable-free monitoring
this baby doppler uses pulse wave technology that improves the quality of the sound performance and minimizes interference
Long battery life (8 hours in Vox mode)
Interchangeable waterproof probe
Sonotrax 2Mhz/3Mhz/4Mhz/<br>8Mhz probe babysound Large LCD with blue backlightThese waterproof interchangeable probes work with all Edan Sonotrax fetal dopplers, we have 2Mhz probe, 3Mhz probe, 4Mhz vascular probe,8Mhz vascular probe. The 2Mhz 3Mhz probe could be used to hear your baby's heart beat. The 4Mhz 8Mhz probe are vascular Probe. If you want to hear your baby's sound movement, please choose 2Mhz 3Mhz probe. A 3MHz probe is recommended to detect a heart rate in early pregnancy (8 10 weeks gestation). A 3 MHz has also