... meet the need of whole stages of labor L8 7”/Fetal Monitor Product detail :This series is a lightweight, compact ... clinical event marking button to separately mark Clinical events6. Auto Fetal movement are available7. Multi-crystals ,wide beam form, high sensitivity ... ultrasound transducer ,low ultrasound power, Safer to the fetal 8. AC or LI-battery operated9. More than 12 hours ...