BT-350 LCD is an Antepartum Fetal monitor displaying FHR, UC, and FM on the LCD screen to check fetal health. BT-350 LED has the same functions as LCD type except having large 7-segment LED showing all the setting parameters and not having trend mode. It has also a event marker enabling a pregnant woman in the oed to indicate fetal movement point by pushing the button herself when she feels fetal movement. BT-350 indicates FHR as numeral by irradiating ultrasound at the aodomen, abstracting doopler frequency of heart oeat cycle from the signals reflected from fetal heart, and outputting FHR change as s sound, and analyzing these signas. Bes des, you can measure UC oy using pressure sensor. BT-350 prints FHR, UC, and FM on the thermal paper and displays them on the LCD display. Especially, the doppler probe has 9 crystal sensers for catching FHR effectively, and it is water-proof type. BT-350 has 2 kinds of installation functions such as notebook, and wall mount.