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The Keystone 12000 BTU portable air conditioner with a stylish smooth-curve design cools a room up to 500 square feet. It has electronic controls with LED display and a remote control with on-board storage. Auto swing double air deflectors allow for uniform air distribution. Omni-directional casters roll the unit easily from room to room. This portable self-evaporative unit includes a window venting kit for simple setup.