... of OB/GYN Technical Specifications:Imaging mode: B, B+B, 4B, B+M, MDepth scope (mm): 0~225mmResolution (mm): horizontal resolution ≤2 (depth ... ≤80), Axial resolution ≤1 (depth≤80), Precision of Horizontal ... ≤5%Blind area (mm): ≤3mmZoom: ×0.8, ×1.0, ×1.2, ×1.5, ×1.8, ×2.0, and selective amplification for 2 times in real ...