[Maximum Cooling] Cooling Coverage up to 450 Square ft. is ideal for cooling medium to large rooms with 10,000 BTU portable air conditioner for 1 room, basement, attic or space.Frequency : 60 hertz [Efficient Inverter Technology] LG Inverter Portable Air Conditioners are up to 40% more power savings than non-inverter models [Lo-Decibel Quiet Operation] LG Portable Air Conditioners operate at sound levels as low as 44dB (sleep mode) [Control the air from anywhere with LG ThinQ App] When the temperatures rise outside, change the forecast inside. Available LG ThinQ technology lets you control your LG ac unit from your mobile device [Multipurpose 3 In 1 Function] Use cool mode for powerful cooling and dehumidifying on hot days. In fan mode, the fan circulates the air in the room. Dry mode is ideal in damp environments