This video shows STYLENC crystal co2 laser engraving machine. The co2 laser engraving machine adopts co2 laser tube is used for engraving and cutting nonmetal materials, wood, crystal, acrylic, leather, paper, glass etc. 

There are 60w, 80w, 100w, 130w, 150w power for choose. 

The low laser power is mainly sued for engraving, like 60w, 80w. 

The high laser pwer is mainly sued for cutting, like 80w, 100w, 130w, 150w.

For more details, please check: What is the co2 laser engraving machine?