CBox-5 Color Doppler Ultrasound Box is easy to use, only need to connect it to computer by USB cable and install the software in the computer. Then can realizable the function as a computer based Color Doppler Ultrasound Scanner. Feature: -Use computer of user's, lost cost to get ultrasound scanner -Small and light -PC based, powerful function, large volume storage -Full digital, clear image -3D image function(option) -CFM, PDI, DPDI, PWD, Duplex, Triplex, HPRF, THI -Print by computers USB laser/inkjet printers -Can work with external battery(option)