SmartTemp automatically heats cleaning solution - for effective deep cleaning. SmartTemp Ready Light indicates when the heater is ready to clean. DirtLifter PowerBrush - lifts deep down dirt, grooms carpet, adjusts to all carpet heights. SmartMix automatically adjusts solution for every cleaning job. Extra wide nozzle cleans forward and reverse for quicker cleaning. Tank-in-Tank is compact and easy to use - fewer trips to the sink. ReadyTools Switch - instantly converts from carpet cleaning to tools and carpet pretreat. Flow Indicator - spins when cleaning solution is being applied to the floor. 8 foot long reach hose for upholstery and stair cleaning. 30 Foot Power Cord - plug it in once