Saving double-effect / Water tap

Hand washing is the most important in our daily life thing. Between the
number of shopping malls or corporate public health,Because more people
queuing handwashing and waste of time, in order to save time and water,
designed this A sensor can through tripartite tap water, water used by one
person handwashing points.It became three people to use. Greatly saving
the mall visitors and white-collar workers of the time, but also saves water
resources.