Main features: Powerful measurement & calculation software packages 8-segment tgc adjustment 10 inch vga monitor Ob measurements: BPD, GS, CRL, FL, AC, Hc, etc Permanent function of image store: 32 images Back-lit keyboard 2 probe connectors Probe automatic identification Main technical specification: Scanning mode: convex/linear/trans-vaginal Display modes: b, b+b, b+m, m, 4b Scanning depth: 240mm Gray scales: 256 Body marks: 44 Image conversion: up/down, left/right, black/white Function of puncture guide Per: 4-stage per function Printer function: can connect laser printer and video printer directly Comment: date, name, sex, age, hospital, annotation Zooming: *0.8, *1.0, *1.2, *1.5, *2.0 Port: usb 2.0, vga, video connector Wide application: abdomen, ob/gyn, urology, cardiology etc Usb function of image store: more than sixteen thousand images Power supply: ac 110v-240v, 50hz/60hz Probe connector: 2 Standard configuration: Main unit 60r/3.5mhz convex array probe Usb 2.0, vga port Video connector Options: L40/7.5mhz linear array probe 20r/5.0mhz micro-convex array probe 13r/6.5mhz trans-vaginal array probe Printer