Features Purpose: TEC2-25408 cooler is a commonly used cooler. Scope of application: It can be used for many applications from CPU coolers to backup power supplies, and even for your own customized car beverage heater/cooler. Good cooling effect: TEC cooler is usually used with radiator or liquid cooling block. They can also work together for better cooling effect and long service life Function: Refrigeration cooler This can help prevent the TEC cooler from overheating, with stable performance Applicable people: suitable for electronic enthusiasts of DIY semiconductor refrigeration system. Features: Purpose: TEC2-25408 cooler is a commonly used cooler. Scope of application: It can be used for many applications from CPU coolers to backup power supplies, and even for your own customized car beverage heater/cooler. Good cooling effect: TEC cooler is usually used with radiator or liquid cooling block. They can also work together for better cooling effect and long service life Function: Refrigeration cooler This can help prevent the TEC cooler from overheating, with stable performance Applicable people: suitable for electronic enthusiasts of DIY semiconductor refrigeration system.   Specification: Condition: 100% Brand New Item Type: Refrigeration Cooling Sheet Working Temperature: -40 ° C ~ 90 ° C Maximum Temperature Difference Current: 8A Maximum Cooling Power: 50W (Th=50°C), 45W (Th=27°C) Maximum Working Voltage: 16V Maximum Temperature Difference: 85Cel (Th=50°C), 80Cel (Th=27°C) Rated Voltage: 12V Rated Current: 8A (Couple)Logarithm: 254 Number of Levels: 2 Dimensions: Approx. 40 x 40 x 6mm / 1.6 x 1.6 x 0.2in Material: Ceramic (two sides), Semiconductor Material (between two ceramic plates)   Package List: 1 x Refrigeration Cooling Sheet   Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List