Product Name: Thermoelectric GeneratorProduct material:ceramicsProduct color: whiteProduct size: 4cm4cm038cmProduct weight: 23gPackage Contents:1x Thermoelectric GeneratorFeatures:1Temperature electromotive force (a): 190x > uV/ COptimum value (Z): 25 ~ 3x10-3W/ OC2Model: SP1848-27145Working Environment: -60~125 degreeLead Length: about 30cm3Thermal conductivity (K): 15~16x10-3-W/ C cmConductivity: 850~1250 -1cm-14Thermoelectric parameter: and high quality.Heating side is emptyRed wire to positive, black wire to the negative, it generates electricity when the temperature difference happened5Small and lightweight, convenient for use.Designed specifically for generation.Sealed for moisture protection and contain thermal elements formulated for optimum Seebeck generation.High temperature 150C, with NM static protection.