The new Platinum Collection By Hoover is their top of the line models for each category. All Platinum Collection vacuums come with a warranty of at least 6 years, this cordless stick vac comes with a best-in-class 6 year parts and labor warranty. The Hoover Linx Platinum Collection Bagless Stick vacuum runs on an 18 Volt Lithium Ion Battery, the same batteries that power Hybrid Vehicles. The Linx Lithium-Ion battery system uses fade free technology which ensures that Hoover Linx Cordless System batteries sustain power until the battery is completely drained, as opposed to traditional Ni-CD batteries that most other manufacturers use that will slowly loose power and suction as the battery looses its charge. The machine also has a battery fuel guage, conveniently alerting you to the remaining battery life. The Linx Stick Vac has a motorized power brush attached, which deep cleans even the thickest plush carpeting. Easily transistion from carpets to bare floor with a flip of the rug/floor switch on the handle of the machine. Edge Cleaning Bristles on both sides of the roller brush allow you to easily get along baseboards and corners. The Hoover Linx Bagless Stick Vacuum, model BH50010 uses WindTunnel Technology and cyclonic filtration that out performs even some traditional coded uprights on bare floors. The rear wheels on this model are made of soft non-marring wheels to prevent any scratching or gouging of delicate hardwood, marble, or tile floors.