ITEM NAME:Thermoelectric Peltier Refrigeration Cooling System Kit Cooler DIY Product Description Description: Description: Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques. Features: ONE PCS Peltier TEC1-12706 (40*40*3.5MM) ONE Cooling radiator ONE Cooling Part Fans(40*40mm) ONE Cooling Part Insulation ONE Radiator Heatsink (90*90*40mm) ONE Heatsink Part Fans(90*90mm) Thermal Compound Paste Grease ALL Screws For Kit Assemble. Specification: Net Weight: approx. 403g Gross Weight: approx. 455g Product Size: approx. 120 x 100 x 118mm/4.72 x 3.93 x 4.64'' Note: 1. Must fititng Radiator Heartsink when Power ON,not responsible for Burn Peltier if Heartsink is not Assemble. 2. 12VDC 6A Power is need,but not include in this Kit. 3. Please allow 1-3mm differs due to manual measurement. 4. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Included: 1 x Thermoelectric Peltier Refrigeration Cooling System Kit.Included: 1 x Thermoelectric Peltier Refrigeration Cooling System Kit. ONE PCS Peltier TEC1-12706 (40 40 3.5MM). Must fititng Radiator Heartsink when Power ON,not responsible for Burn Peltier if Heartsink is not Assemble.