As the first full touch screen for operations in China, it has changed the traditional mode of keyboard operation. It’s beautiful, flexible and entirely intelligent with well-performed software and simple logo, eye-catching for beginners; it’s waterproof, dust-proof, much more conducive to disinfection and special sterile places. 21.5 inch display; 12-inch touch screen; Second Harmonic Generation (SHG); Full touch screen operation, dust-proof , waterproof; The operation table available for rising-lowering , rotating 90 degrees, and moving back and forth within 10 cm; The heated couplant guaranteeing appropriate temperature in cold weather; Broadband more than 80% guaranteeing the quality of Harmonic Generation.