Tandem Air Technology A Clean Air Motor for strong suction backed up by a Direct Air Motor for intense airflow. Combined, they make the perfect vacuum, high air flow and deep suction to clean your floors fast!Full Bag & Filter Indicators No more guessing when a bag is full or a filter needs to be changed. Indicators on the head notify you that its time for a changeDirt Sensor A dirt sensor detects dirt lurking in your carpet so you can remove the gritty particles before they damage carpet fibers and notifies you with amber lights in the headlamp Hall Sensor & Lifetime Belt Protection Breaking a belt is a thing of the past with Hall sensor technology. When it senses a jammed condition, the brushroll stops until the jam is cleared. Then it's back to vacuuming like nothing ever happened
