... 2 pcs, automatic identifying function 3. Channel: >=32 digital beam former 4. Resolution: horizontal<=2mm, Vertical<=1mm ... Width 12. Gray: 256 13. Imaging technology: full digital beam forming, continuously dynamic adjustment focusing, Dynamic aperture 14 ... processing (continuous dynamic focusing, dynamic aperture, dynamic filtering), post-processing (4 gamma correction), frame correlation (4 levels), ...