APHC-03103-S EUROPEAN THERMODYNAMICS PELTIER COOLER MODULE, 3.6VDC, 6W; Transducer Function:Thermoelectric Cooler; Power Rating:6W; Internal Resistance:1.2ohm; Current Max @ Diff Temperature Max:2.5A; Voltage Max @ Diff Temperature Max:3.6V; Temperature Difference Max:65°C