【Product Description】
Power: 2 AA batteries (no included)
Ultrasound frequency: 3MHz
Ultrasound intensity: 10mW/cm2
Dimension: 135 ×95 ×35mm
【Features】
‐ The ultrasound is lower than the national ultrasonic power standard by over 50% above, 0 radiation.
‐ Compact and portable design provides a convenient use and carrying.
‐ Loud speaker, built-in speaker gives clear and loud voice.
‐ Automatic shutdown function in case of no work
‐ High sensibility, may detect the heartbeat as early as 12 weeks, able to detect in 16 weeks for most of the case
‐ Three calculation modes to calculate fetal heart rate: instant, 10 second average and manual
【How To Use】
1. Insert batteries if you haven’t done so
2. Lie back in a comfortable position
3. Apply the gel to your lower belly
4. Turn the doppler on (by press and hold the power button few seconds) and slowly move the probe around until you can hear the steady heartbeat sounds (similar to train track sound)
5. The earlier it is in your pregnancy, the lower you’ll likely have to go
6. Be aware that you may also hear the fragment pulse of an artery (in the range of 60-100 BPM). Fetal heartbeat is continues and much faster (in the range of 120-160 BPM)
