OVERVIEW: Shark R-IW1615QBL Detect Pro Cordless HEPA QuadClean Multi-Surface Stick Vacuum. Meet the new Shark Detect Pro Cordless Stick Vacuum. Its ultra-intelligent detect suite gives you 4 deep-cleaning technologies that detect & react to their surroundings. DirtDetect senses the hidden dirt that hides in your home, and automatically boosts power to pull it in. EdgeDetect senses edges and corners and doubles suction* power for more powerful cleaning* (vs. ECO mode). FloorDetect senses carpets...