The product of MD-820 Auto Perimeter is the crystallization of toil and moil of hundreds researchers and clinical doctors. It is their creativities and industries that make the product survive vividly in the competitive market. Features The product of MD-820 Auto Perimeter is the crystallization of toil and moil of hundreds researchers and clinical doctors. It is their creativities and industries that make the product survive vividly in the competitive market. The goal of the product Clinical practicality, Superior function & Understandable report Accurate, stable & economical Configuration of the perimeter: computer, printer, table and main unit of the perimeter