50-210 bpm FHR Measuring range
5℃ to 40℃ operating temperature
16 weeks gestation sensitivity
<0.5W audio output power
8.6mW output power
DC 4.5V power
1 bpm resolution
±2 bpm accuracy
You can safely listen to your unborn child's heartbeat in person at home, fetal heart rate can be seen in the mother's womb with a jumper, high sensibility can detect the pulse of a 12-week fetus, large LCD display, a built-in speaker gives a clear powerful sound, compact and portable design, it can be conveniently carried anywhere. If you do not do any work in one minute, it will shut down automatically, enables uninterrupted operation for more than 10 hours once the battery is fully charged, 135 x 83 x 33mm dimension.