Powerful 870-watt motor. Heat overload protection system. Reinforced fan (Virtually Indestructible with life time warranty). Comfort Grip handle for easy use. Dirt cup design. 50 foot long power cord with cord strain relief allows for 100 feet of cleaning area. Aluminum roller brush with four bristle strips and double ball bearings. Large rear wheels make transportation easy. 6 position manual carpet height adjustment. Chrome metal hood with "V" shaped motor vents. Reinforced see-thru fan chamber for fast cleaning. Metal on / off foot switch. Metal foot release pedal made from hardened steel. Metal bottom plate. Magnet bar.