... (Life):1500 hours 3.Water cooling JK-40 SIGN LASER CARVING MACHINE :This machine can be used to carve ... Type JK-40Working size150×200mmLaser Power 40WLaser typesealed-off CO2 laser tubeEngraving speed0-200mm/sCutting speed0-300mm/sRepeat positioning accuracy≤0 ... ,DXF,BMP,JPG,GIF,PGN,TIFcooling mode Water coolingWater cooling Laser tube (Life)1500 hoursPacking size108*80*38cmGuarantee & after sales ...