Advanced Cleaning Technologies with Shark Stratos Power: The Shark IZ840H features Clean Sense IQ for detecting and targeting hidden dirt, and DuoClean PowerFins HairPro Nozzle for superior carpet and hard floor cleaning; ideal for pet hair removal with its self-cleaning brushroll. Unmatched Suction and Performance: Experience the most powerful suction of any Shark cordless vacuum with HyperVelocity Plus Technology; enjoy up to 50 minutes of extended runtime, perfect for comprehensive cleaning in larger homes. Enhanced User Experience with Shark Cordless Pro Clean Sense IQ: The Shark IZ840H boasts a flexible wand with MultiFLEX Technology for under-furniture cleaning, and an LED display for real-time performance monitoring; includes Shark Rocket Pet Pro features for pet owners. Health and Hygiene Focus with Shark Duo Clean: Equipped with HEPA Filtration and Anti-Allergen Complete Seal, the Shark UZ865H captures over 99.9% of dust and allergens, promoting a healthier home environment; perfect for allergy sufferers. Enhanced Warranty and Essential Accessories: The Shark Stratos Cordless Stick Vacuum is accompanied by a Duster Crevice Tool and Anti-Allergen Dusting Brush. It also includes a robust 3-Year Extended Warranty, ensuring exceptional reliability and customer peace of mind. Product Features: CLEAN SENSE IQ: Infrared sensor detects the dirt you can’t see and automatically increases power, giving you up to 50% better* dirt pickup. The Clean Sense IQ indicator visually shows when floors are clean. (vs. Shark Stratos Cordless in ECO Mode.) MOST SUCTION OF ANY SHARK CORDLESS STICK VACUUM: HyperVelocity Plus delivers the most suction. *Based on ASTM F558, measured at the hand vacuum, tested in Boost mode. DUOCLEAN POWERFINS HAIRPRO: Two brushroll system digs deep into carpets, engages hard floors, and picks up dirt, debris, and hair in every pass. No cordless vacuum picks up hair better. (*From floor to dust cup, third party tested on human/pet hair) SELF-CLEANING BRUSHROLL: Powerful pet hair pickup and no more hair wrap. FLEXIBLE WAND: MultiFLEX technology allows you to bend the wand to clean under furniture, or fold it over for compact, freestanding storage. LED DISPLAY: Real-time readouts to monitor battery, select suction levels, and engage Clean Sense IQ. UP TO 50 MINUTES OF RUNTIME: Removable battery can charge anywhere in your home, delivering up to 50 minutes of runtime. (In ECO mode, measured at the hand vacuum.)