U-Line Corporation (Middleby), UCC2A, U-Chill® Plus Beverage Chiller, dry cooling, touch control, powers off automatically after 4 hours, optimal ambient temp. range: 50°F - 90°F, near-silent operation, optional color-flow setting cycles through the spectrum of colors, installs 6 1/8" diameter opening in countertops from 3/16" to 3" thick, boost mode - 30 minutes of rapid chilling, brushed stainless steel crown included, new accessory crowns available in: polished stainless, brushed brass, brushed gunmetal, and matte black finishes, plugs into standard, 115v/60Hz outlet, AC/DC adapter included, , Boost Mode - 30 minutes of rapid chilling