Description: 6A TEC1-19806 15.5V Heatsink Thermoelectric Cooler Peltier Cool Plate Module Small and Light weight, long work life Designed specifically for power generation Temperature difference 83 °C, with NM static protection Red wire to positive, black wire to the negative, it generate electricity when the temperature difference happened Specification: Material: semiconductor Color: As picture show Size?Approx. up: 30mm/1.18inch, Down: 40mm/1.57inch Maximum current: 6A The maximum voltage: 15.5V The maximum temperature difference: 83 ? Cooling capacity: 29.8W Package Includes: 1 piece Thermoelectric Peltier Cooler Note: Pls allow an error of 1-3mm due to the difference of manual measurement