... , M, 4B·Gray Scale: 256 levels·Monitor: 6.5 inch LCD ·Operation interface: English/Chinese switchable ·Image Procession: DFS, DRF, ... permanent storage·4 focusing combination selectable·Characteristic showing in real-time clock, ID, Sex, Age, Hospital name, Focusing Info and ... For Human UseFeatures:Full digital beam forming technology6.5 inch TFT LCDA/DC and LI-battery operatedLight and compact design, ...