Longer RAY5 20W Instructional videos

· 20W powerful cutting, cuts 0.59"/15mm pine wood and 0.31"/8mm acrylic in one pass, even 0.002"/0.05mm stainless steel
· 0.08*0.1mm² high accuracy DIY laser engraving & cutting
· Multi-color engraving on metal surface, breathe more life into your creations
· XY-axis limit switch & 5 safety protections, safer to use