1.3.0 Mhz Waterproof probe:High sensitivity of the probe, 12~16weeks can hear fetal heartbeat .
2.LCD digital screen:Light screen , the digital display is more clearer .
3. Two model shows:Press the left button , switch two model shows
4.No radiation:After tested , Seldom no radiation .
5.Turn off automatically:No operation automatically turn down within 60S.