Brand: Bistos Co. Ltd.
Country: Korea

Trend display
Large color LCD enables the trend of FHR on screen.

Acoustic Stimulator
Stimulate sleeping fetus to acquire more accurate FHR. High(100Hz) / Low(75Hz)

Interchangeable probe
MHz or 3MHz probe can be used on one main unit.

Recharging kit (Optional)
Just plug-in to microUSB cable recharge the battery and no need to change disposable battery.