Thermoelectric Power Generator High Temperature Generation Peltier TEG Module 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¡æ, with NM static protection. Specifications: Color: White Material: Ceramic / Bismuth Telluride Parametric model: Temperature(¡æ)/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