LG exclusive Direct Drive Motor System provides even washing/drying and quiet, efficient performance, Single Unit Vertical Design takes up half the floor space, Dual Inverter HeatPump(TM) & Ventless design offers flexible installation and greater energy savings, Built-in intelligence takes out the guesswork-AI technology selects optimal wash & dry settings, Mega & Ultra Large Capacity 5.0 cu.ft. Washer and 7.8 cu.ft. Dryer let you fit more in every load, Advanced washing performance with TurboWash(TM) 360(degree) and Allergiene(R) Wash Cycle, Auto Cleaning Condenser(TM) flushes away lint for better drying and energy efficiency-automatically