Uniquedaily.com says if a full-sized keg is too big for your next party or cookout, pick up a 5-liter keg and place it in the handy Keg Cooler With Tap. Utilizing state-of-the-art thermoelectric cooling technology, this cooler is ultra quiet and vibration free as it dispenses cold, refreshing draught beer to your guests. Compatible with most 5-liter kegs (pressurized, top-dispensing kegs as well as gravity-dispensing kegs), this cooler is environmentally friendly and CFC free. Plugs into an AC outlet or the cigarette lighter of your car.