["Description:\r\nHeating side is empty\r\nRed wire to positive, black wire to the negative, it generate electricity when the temperature difference happened\r\n\r\n20 degree temperature difference: open-circuit voltage 0.97V,generated current: 225MA\r\n40 degree temperature difference: open circuit voltage 1.8V, generated current: 368MA\r\n60 degree temperature difference: open circuit voltage 2.4V, generated current: 469MA\r\n80 degree temperature difference: the open circuit voltage 3.6V, generated current: 558MA\r\n100 degree temperature difference: open circuit voltage 4.8V, generated current: 669MA\r\n\r\nNote: The above values are for reference only, the wiring in actual use, and the step-up board, there will be loss of current\r\n\r\nSpecifications:\r\nModel: SP1848-27145\r\nColor : White\r\nWorking Environment: -60~125℃\r\nThermoelectric parameter:\r\n\r\nTemperature electromotive force (a): > 190x uV/ ℃\r\nConductivity: 850~1250Ω -1.cm-1\r\n\r\nThermal conductivity (K): 15~16x10-3-W/℃ cm\r\n\r\nfor Optimum value (Z): 2.5 ~ 3x10-3W/℃\r\nLead Length: about 30cm\r\nSize: 4x4x0.34cm/1.57x1.57x0.13inch\r\nQuantity: 1 Pc\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents: \r\n1 x Thermoelectric Power Module"]