This ultrasonic transcranial Doppler blood flow analyzer is the high-end TCD product, which possesses a variety of new TCD technology, including recognition of small signals, automatic search, M type module, and etc. HMS099 can realize single and two-channel and double-model detection. And this device is equipped with a high-sensitivity sensor made of composite material. Its dual depth model can simultaneously display an 8-depth flood blow frequency spectrum signal. Also, it comes with an integrated computer trolley bringing a brand new experience for users. There are 2 types of probes 4MHz and 8MHz, and they are used for intracranial vascular detection, extracranial vascular detection, and limb capillaries detection.