... ,B+B,B+M,M,4B 3.Port:PAL-D video out,USB 2.0 Digital Ultrasound Scanner JAC-21355 High ... machine,3.5MHz convex probe,10'' VGA monitor·Optional accessories:Video recorder,linear probe with high-frequency(7.5 MHz).transvaginal ... location:≥18·Power supply:100V-130V/220V-240V,50/60HZ Portable B ultrsound scanner