Get the best. Choose NatureSpirit®For a woman at least 12 weeks pregnant to safely check and listen to the fetal heart beat. It is designed to adopt Doppler principles, with ultralow and ultrasound output intensity and high sensitivity ultrasound transducer. Portable and very compactly designed Large LCD display with backlight, built-in speaker with volume control Can measure and display fetal heart rate in real-time, average mode High sensitivity waterproof interchangeable probe support 2 MHz, 3 MHz, 4 MHz and 8 MHz Battery status and low battery indication Automatic power-off Ultrasound frequency: 2MHz in continual; Intensity: <10 mW/cm2 Fetal Heart Rate measurement range: 50-120 bpm Fetal Heart Rate measurement resolution: 1 bpm Small in size (L)138X(W)85X(H)32mm Weight: 290g (including two "AA" batteries)Made in China
Average Customer Rating:
4.4
out of 5
(7 Reviews) 7
6 out of 7(86%)reviewers would recommend this product to a friend.