Features 1、Small and lightweight, convenient for use. 2、Designed specifically for power generation. 3、Sealed for moisture protection and contain thermal elements formulated for optimum Seebeck power generation. 4、High temperature 150℃, with NM static protection. 5、The thermoelectric cooler is designed specifically for power generation. 6、Module size: 4 * 4 * 0.4cm / 1.6 * 1.6 * 0.2in (L * W * H) Specification Features: Small and lightweight, convenient for use. Designed specifically for power generation. Sealed for moisture protection and contain thermal elements formulated for optimum Seebeck power generation. High temperature 150℃, with NM static protection. Specifications: Color: White Material: Ceramic / Bismuth Telluride Parametric model: Temperature(℃)/Open-circuit voltage(V)/Current(MA): 20/0.97/225 40/1.8/368 60/2.4/469 80/3.6/559 100/4.8/669 Module weight: 25g / 0.89oz Module size: 4 * 4 * 0.4cm / 1.6 * 1.6 * 0.2in (L * W * H) Package weight: 26g / 0.92oz Package size: 14.5 * 10 * 0.4cm / 5.7 * 4 * 0.2in (L * W * H) Package List: 1 * Thermoelectric Power Module Package List 1 * Thermoelectric Power Module