Description This Cooling Machine Uses High-end Refrigeration Modules with High Power Which Effectively Improves the Cooling Efficiency. the Area of the Cooling Block Is Larger, so It Can Contact More Water for Rapid Cooling. the Four Hollow Copper Tubes with Refrigerant Inside Will Quickly Transfer Heat, Thereby Improving Cooling Efficiency. This Chiller Is Suitable for the 30l Fish Tank. Package Included 1 * Fish Tank Chiller Application This Chiller Is Suitable for the 30l Fish Tank. Specification Material: Copper Voltage: Dc 12v Power: 120w Current: 10a Outer Diameter of Water Inlet/Outlet: 0.8cm / 0.31in Product Size: 14.3*9.6*16.2cm / 5.62*3.77*6.37in Package Size: 20*15*20cm/ Gross Weight: 0.5kg/.