... 50W 3)stepper motor 4)CO2 Sealed Laser Tube,Water-cooled,10.6um mini co2 laser machine QD-4050 ... 110V,60HZReposition Accuracy±0.01mmCooling ModeWater-coolingRecommend PartsLaser Tube and LensesRecommend Spare PartsUSB Feature, Up-down Work Table, ... crystal, plastic, garments, paper, leather, rubber, ceramic, glass and other nonmetal materials,etc.Applicable industries: Advertisement, gift, shoes, toys ...