1. Premium semiconductor with super power and long durability. 2. Internal fin has greater contact area with water, which improves cooling performance. 3. The area cooling block has more contact area with air for good cooling dissipation. 4. This 10L water can reduce temperature to 8-10 degrees normal temperature. 5. Set the temperature range according to the local temperature, it is not only energy-saving also conducive to the growth of ornamental fish. Model Number: Semiconductor Feature1: Thermoelectric Refrigeration Feature2: Thermoelectric Cooling System Feature3: Semiconductor Refrigeration Feature4: Semiconductor Cooling System Power Supply: DC 12V 6A Power Consumption: 72W Cooling Power: 50W size:100 x 100mm Material:aluminum colour:Silver+blue Package Contents: 1 x Refrigeration System Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.