1. The device adopts technologies such as microcomputer control and digital scanning converter (DSC), large dynamic broadband low-noise preamplifier, logarithmic compression, dynamic filtration, edge enhancement etc. To ensure legible, stable and high resolution images.

2. Four display modes: B, B+B, B+M, M; Can realize image real time display, frozen, zoom; Remark case history number, age, sex; Measure distance, circumference, area, heart rate and gestation age; Image gray scale 256 levels.

3. Combined power supply mode of AC adapter and built-in Li-ion chargeable battery, 3 battery charging modes and the specialized brownout mode enables more lasting battery operation.

4. 5 inches TFT-LCD display and programmable device (FPGA) and surface mounted technology (SMT) make this device compact and light in weight.

5. PAL-D video output with mouse mouthpiece.

6. Jet molding enclosure with hand-held structure makes it convenient for out diagnoses.

7. The device consists of mainframe, probe and adapter. S2/3.5MHz waterproof mechanical sector scanning probes for option.