This is a high quality cooling machine. Made of high quality aluminum alloy, tough and durable. Build-in small fans help to dissipate heat and extend its lifespan. Elegant color and stylish design make it a great decor. Semiconductor refrigeration, environmental protection without pollution. Perfect cooler for small-scale refrigeration heating, aquaculture, aquarium etc. Features: Made of high quality aluminum alloy, tough and durable. Build-in small fans help to dissipate heat and extend its lifespan. Elegant color and stylish design make it a great decor. Mute, low-power design. Celsius temperature and Fahrenheit temperature switching function. Semiconductor refrigeration, environmental protection without pollution. Perfect cooler for small-scale refrigeration heating, aquaculture, aquarium etc. Specification: Condition: new Material: Aluminum alloy Color: Golden Size: 11.4 x 10.6 x 19.2cm / 4.49 x 4.17 x 7.56 inch (Approx.) Power: 70 /100W (Optional) Voltage: DC-12V Recirculating water volume: 1-3L/min Cooling water volume: 0-20L Applicable water pipe: 8mm Fits for: 10-20L capacity fish tank Package Included: 1 x Cooling machine(with power cord) 1 x AC / DC adapter 1 x Silicon water pipe(2M) 2 X Water pipe clip 1 x User manual (English Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.