1.A high-performance 2.reliable 3.B, B/B, 4B, B+ ... can be connected with PAL standard monitor, Video thermal recorder, ultrasound image workstation, etcOptional features: multiple probes connectable, USB port, Video ... linear probe, electronic transvaginal probe, rectal probe, vidco thermal recorder, ultrasound image working station, etc. YXF-300B Digital Trolley Ultrasound Scanner