Thanks for your feedback.We are specialized in the production of laser machines, we are very specialized in this field. Our machines are fiber laser marking machine, CO2 laser marking machine, UV laser marking machine, 3D crystal inner laser engraving machine, 4 in 1 laser cleaning machine - welding machine, CO2 laser cutting machine, fiber laser cutting machine, jewelry welding machine and so on. This is a hand-held stencil printer. You can do deep engraving on metal, and it has batteries in it. Weighing only 6KG, it is very easy to carry.It's work area is 30mm*120mm. Laser marking machine is mainly used in the following fields: metal processing industry, electronics and semiconductor industry, medical device industry, food and beverage industry, jewelry industry, plastic and polymer industry, aerospace and military industry, art and decoration industry, eyewear manufacturing industry, leather products industry.Fiber laser marking machine has 20w 30w 50w and 100w. CO2 laser marking