12 Volt DC Thermoelectric Peltier Cooler ModuleProduct Description:Keep the heat down with a Peltier module.This unique DIY electronic cooler can generate a temperature differential when powered.Simply, apply 12 Volt DC to the red (positive) and black (negative) wires. Wire length 4 foot.One side will get frosty cold while the other side gets hot4 Peltier modules sandwiched between 2 heatsinks~ 19 to 22 amps for the assemblyHeat Sink Overall Dimensions: 18.25″ (L) x 6″ (W) x 4″ (H)Melcor / LairdMelcor Part Number: 385788-001Model Number: MAA650T-12