1.Water Quality on-line monitoring; accurate and intuitive LCD panel digital display; 2.Polyethylene (PE) and polyacetal (POM) made pressure tank avoids secondary pollution; 3.Automatic water production and storage; 4.Produce RO pure water and UP ultra-pure water. 5.System flushing extends life span of reverse osmosis membrane 6.Pressure alarm display. 7.Automatic water quality alarm.