Fetal Doppler Heartbeat Detector Baby for heart beat monitor LCD backlight Pulse Meter No Radiation Stethoscope

• working time: 5 years
• screen size: 44.5mm*23mm
• material: medical grade materials
• display: LCD
• Working Mode: Continuous wave Doppler
• Working Frequency: 2.0MHz±10%
• N.W: 250g
• Model Number: FD-270B
• FHR Measuring Range: 0~240BPM (BPM: beat per minute)
• Effective Radiating Area of Transducer: 208mm2±15%
• Certification: CE