Industrial Chiller CW3000 Constant Temperature Refrigeration Unit CW5200 Universal Water Tank for Engraving Spindles 5000 Laser Cutting New Upgrade: Added Alarm Light Prompt alerts for low water, blockage, or high water temperature. Rapid response with laser tube shutdown to prevent burnout. Copper Condenser Tube for Rapid Heat Dissipation Purple copper heat dissipation tubes, corrosion-resistant, anti-aging, and fast heat dissipation High water level line for clear visibility when adding water Higher water level accelerates heat transfer for superior cooling performance Features a dedicated laser interface for convenient use High reliability and stability, ensuring stable operation in various complex environments