1. Display and control 4.3-inch man-machine interface, based on Linux system, stable and efficient; 2. It uses an industrial-grade high-performance CortexA7 processor with a clock speed of up to 1GHz; 3. High capacity 128MBFLASH 128MBDDR3; 4. Support multiple communication modes (RS232/422/485); 5. Support USB download and USB flash drive update configuration; 6. Resolution 480 × 272; Display 16.77 million true colors; 7. Certified by FCC,ClassA, and CE.