A high-performance, reliable, and affordable color doppler ultrasound scanner. Imaging modeB, B/B mode;B/M, M ... Position adjustment functiond) PRF adjustment function for the CFMe) System embedded with the distance, volume, obstetrics and other measurement ... mitral valve,pulmonary valve,right atrium and right ventricle,circulatory system and other parts of the application measurements.h) Urology ...