Features: 1.7 lcd display Light weight, easy for use Fhr numeric display;optional waveform display Li-ion battery with usb charging port Low ultrasound level, safe to fetus Specifications: Working frequency: 2.0mhz Working mode: pulsed doppler Ultrasound strength: < 5mw/cm2 Unit size: 2.5*7.5*12.8cm Weight: 250g with battery Moq:25pcs/carton Carton size:60*50*37cm Carton volume weight:24kg
