Highly sensitive probe

Sensitive 3 MHz probe to detect 9 weeks fetal heart rate

Interchangeable Waterproof Probe

Optimal probe design to detect FHR conveniently

Record & Play

Record FHR data

Record FHR sound

240 seconds storage

SD3 Series Combinations

The SD3 series includes different models, with different batteries, charging devices, and display functions.In particular, vascular differs from other models in that it is a device that focuses on measuring blood flow.