RS700 & Edge by removing wheels and equipped only with 2 round shape mops that can drive and clean at the same time. As a result, 100 percent of products weight pressures to the mops and it effects like human hand floor mopping. Also spinning mops with 2 powerful motors enhance friction with floor so that improve cleaning ability. And minimized products height made a robot can easily get into underneath of furniture such as couch or bed. Automatic water supply mop kits are able to supply water continuously during its operation. Besides, it equipped several anti-collision and fall prevention sensors to protect the product as well as home furniture.