... 2.Display modes:B,B+B,B+M,M,4B 3.Port:PAL-D video out,USB 2.0 Digital Ultrasound ... continous,HM search and direct measurement·Standard configuration:Main machine,3.5MHz convex probe,10'' VGA monitor·Optional accessories:Video recorder ... ·Power supply:100V-130V/220V-240V,50/60HZ Full Digital Trolley Ultrasound Scanner/ultrsound