Meet the new Shark Detect Pro Cordless Stick Vacuum. IW3120. It features an ultra-intelligent Detect performance suite3 deep-cleaning technologies that detect & react to your home to capture hidden dirt on floors. carpets. corners. and edges. The first technology. DirtDetect. senses the hidden dirt that hides in your home. and automatically boosts power to pull it in. EdgeDetect gives you incredible performance in tight spaces. providing up to double the suction (vs. ECO mode) in edges and corners. Floor Detect senses every surface in your home. and re-calibrates your vacuum's performance based on the floor type. All three of these technologies combine in the Shark Detect Pro to give you up to 50% better* dirt pickup (*Based on ASTMF608. eco vs. boost). Plus. the PowerFins multi-surface brushroll gives you continuous cleaning contact to dig deep into carpets & directly engage hard floors. After every clean. the Detect Pro Auto-Empty System brings you the ultimate convenienceit empties on its own. Return it to its base. and it charges and empties automatically. sealing in up to 30 days worth of dust & debris. so you can forget about emptying for up to a month. and leave behind the trips to the trash can after every use. Inside the base. Odor Neutralizer Technology guards against bad odors. for a fresh-smelling home. Change the way you clean with the Shark Cordless Detect Pro Auto-Empty System. the dirt-detecting cordless that empties itself.