1. Premium semiconductor with high performance and long durability. 2. Internal fin design provides greater contact area with water, improving cooling efficiency. 3. Cooling block increases surface area contact with air for effective heat dissipation. 4. This 10L water capacity can reduce temperature to 810 degrees below ambient temperature. 5. Adjustable temperature range based on ambient conditions, promoting energy efficiency and supporting the healthy environment for ornamental fish. Model Number: Semiconductor Feature 1: Thermoelectric Refrigeration Feature 2: Thermoelectric Cooling System Feature 3: Semiconductor Refrigeration Feature 4: Semiconductor Cooling System Power Supply: DC 12V 6A Power Consumption: 72W Cooling Power: 50W Size: 100 x 100mm Material: Aluminum Color: Silver + Blue Package Contents: 1 x Refrigeration System Kit Note: Only the items listed are included. Light and display settings may cause slight color variations between the image and actual product. Measurement may vary by 13cm.