stamp laser engraving machine 1)work size:200*300mm 2)fast speed& high resolution 3)1 year guarantee time ... :Co2 glass laser tubeDimension:900mm*500mm*450mm950mm*680mm*280mmEngraving speed0-300mm/minResolution ratio0.0125mmInterface:USBApplicable software:Moshi, Newly seal Minimum shaping ... year, laser tube 3 months Mini Laser Engraving Machine (200*300mm)