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This urinal uses gravity to control the switch. When people stand on the green pedal, the upper valve open and the container begin to collect water. While when the water is full, the upper valve will close. When people leave the pedal, the lower valve will open and begin to flush the toilet. When finish all of this, the lower valve will close.
From the investigation to urinals, I learn to that one is press by hand, and the other is the electronic sensor. To the first one , some people will feel dirty for psychological reasons and reluctant to press it. The second one is very convenient, but the need takes energy. If lose power, they al
Xin He Zhenmin Hao Beibei Zhu Yanlong Ma