Specification 1. Brand Protection 2. Quality Assurance & High cost-effective 3. Perfect Marking effect 4. After-sales service response quickly 5. Long working life of 100,000 hours. 6. Working table or fixture can be customized 7. Work on any metal 8. Very compact Other Features Laser Power - 20W Working Area - 110*110Cooling mode Air Cooling Laser Wavelength 1064nmMinimum character 0.15mmMarking speed ≤8000mm/s Power Ac220v 50/60Hz