Clean Sense IQ Senses the Dirt You Can’t See & Automatically Boosts Power for Up to 50% Better Debris Pickup; HyperVelocity Powerful Suction in Cordless Convenience; Up to 40 Minutes Run Time; LED Display Real-Time Readouts to Monitor Battery and Select Suction Levels; Anti-Allergen Complete Seal + HEPA Filter Captures & Traps Over 99.9% of Dust, Allergens, and Odors.