1. All metal shell design, small size, light weight, free movement, convenient transportation and carrying. 2. Built in high-speed marking control system, highly integrated. 3. Fiber laser beam: Good quality, strong energy, high reliability, and high precision. 4. Using JPT MOPA M8 laser, multiple colors can be marked on stainless steel; Strike black on the alumina. The marking colors are rich. Optional: More than 100W, it can cut glass.