1.Modular one-piece design, brass plate and valve.
2.Control by CMOS chips, can adjust the sensor distance ,working mode, and flushing time .
3.It will flushing  automatically when no one using at every 24hours ,in order to prevent dry and niff.
4.Double electromagnetism valve, automatically washing.
5.Two section flushing, aptitude judge the flushing time
6.low consume ,4pcs 5AA batteries can be used 2years based on 100cycles a day.