Research says:
The Wine Enthusiast Silent 28 Bottle Wine Refrigerator has a black cabinet frame and a stainless steel trim glass door. The Wine Enthusiast Silent 28 Bottle Wine Refrigerator uses thermoelectric cooling technology. This cooling system has no moving parts and is CFC-free meaning that you get silent long-lasting and environmentally safe refrigeration for your wine collection. Additional features include a digital temperature display, push button controls and a lock and key.