... * 600*400mm working area *advanced water cooling system with alarm once water short supply co2 laser engraving machine ApplicationThis ... 50W (60W,80W for option)-Cooling mode: Circulating-water-cooling (Special water-cooling chiller for option)-Power adjusting: 0-100 ... Temperature: 0-45,Humidity: 5%-95%,and congeal-water removed-Controlling software language: Simplified Chinese,complicated Chinese, ...