Cog V-belt with cog motor and brush pulley. 5 Year warranty on belt. RPM Circuit breaker, shuts off motor when rush roller RPMs slow down. 40′ Power cord is connected to the pigtail cord using a cord clamp, allowing you to easily replace a damaged cord without expensive repairs or re-wiring. Cord guard prevents cord damage. Soft wheels protect wood floors. Fingertip-controlled on/off switch. Ingenious top-fill design keeps power at maximum even while bag fills. Powerful, high-speed, balanced, double helix brushes whirl at 6,500 rpm. Easy-use carry handle allows for simple, sturdy carrying. Amazon Prime Eligible.