Peltier Effect cooling assembly. Contains module with 127 Pairs of couples mounted to a heatsink assembly. Optimized for 12VDC. 65-70W (~170 BTU). 8A max, 16V max, Draws 6A @ 12VDC. Approx. 50Deg “C” temp. difference with hot side fan (Not included) and insulated cold side. Designed for recreational coolers L: 5" W: 5-1/8" T: 3-3/4" WT: 3.6