... and comments, including general, OBGYN Economic model Portable B Ultrasound Equipment Model:YSB0123Features:Comprehensive easy-to-use measurements and comments, ... ways to store filesTechnical data:Scanning mode: Convex/LinearDisplay modes: B, B+B, B+M, M, 4B Scanning depth: 250mm (Max) Gray ... .5MHz Transvaginal ConvexVideo PrinterExtra Battery Economic model Portable B Ultrasound Equipment YSB0123