Ultra Quiet Operation: Revolutionary DUAL Inverter technology gives powerful yet silent performance, operating at sound levels as low as 44dB in sleep mode 50% More Energy Efficient: DUAL Inverter technology is up to 50% more energy efficient than the Energy Star certification requirement, saving you energy and money Control Your Cool from Anywhere: LG ThinQ Technology lets you control your LG air conditioner from anywhere; You can start or stop cooling, change the mode, or set the temperature while on the go; It also works with Amazon Alexa and Hey Google so you can change settings with simple voice commands Multiple Fan Speeds: 4 cooling and fan speeds with Auto Cool allow you to customize your cooling; Customize your cooling using the user friendly digital control panel, included LCD remote control, or voice assistants; Choose how you operate your inverter ac unit Cools Rooms up to 1,400 Square Feet: The LW2422IVSM inverter ac is ideal for cooling large rooms sized 36' X 40'