Product details CLEAN SENSE IQ: An infrared sensor detects the dirt you cant see and automatically increases power, giving you up to 50% better dirt pickup (vs. Shark Cordless Stratos in ECO mode). POWERFUL SUCTION: HyperVelocity accelerated suction delivers incredible performance in an ultra-lightweight cordless vacuum. POWERFINS PLUS: Combines two brushroll technologies into one nozzlesoft microfibers handle stuck-on dust & piles of large debris, and Powerfins directly engage floors and dig deep into carpets. SELF-CLEANING BRUSHROLL: Powerful pet hair pickup and no more hair wrap. UP TO 40 MINUTES OF RUNTIME: Removable battery can charge anywhere in your home, delivering up to 40 minutes of runtime. (In ECO mode, measured at the hand vacuum.) HEPA FILTRATION AND ANTI-ALLERGEN COMPLETE SEAL: Capture and trap over 99.9% of dust, allergens, and odor, keeping them out of the air you breathe. (Based on ASTM F1977 of particles .3 microns and larger.)