R702 is free-installation smart water purifier of Lexy Biyunquan. It is not limited by water supply and placing location. It can be moved anywhere. It is characterized by 4-stage filtration, RO reverse osmosis, hydrogen and strontium elements, efficient interception of sediment, rust, odor, etc. The product is equipped with a seven-inch touch control panel, the operation system is convenient and rapid, a variety of settings can be self-defined, users also can connect through APP. TDS water quality, water quantity, filter element condition and daily drinking record are clear at a glance, thereby creating your exclusive personal demand.