Engraving faster & higher engraving accuracy which using spot compression and focusing technology, higher laser efficiency<br />Add lifting device, Adjust up and down stroke (0-40mm) easier to engrave<br />Three stepper motor drivers provide faster movement speed. 5.5W violet laser module with heat sink, high laser engraving<br />Support carving materials: wood, plastic, paper, bamboo, leather, sponge paper, stainless steel, anodized aluminum, etc. And metal, stone, glass, reflective or transparent materials are supported to engrave ">