... mode: B, B+B, 4B, B+M, MDepth scope (mm): 0~225mmResolution (mm): horizontal resolution ≤2(depth≤80), Axial resolution ≤1 (depth ... position ≤5%Precision of Axial geometric position ≤5%Blind area (mm): ≤3mmZoom: ×0.8, ×1.0, ×1.2, ×1.5, ×1 ... with your any questionsJulen Full Digital B Mode Utrasound Dignostic Device