Dual - purpose Machine: Electromechanical integration. auto-induction and push button delay, interchange use without any cares and worries. and long service life. Adjustable delay: Click the button to for 3 to 20 seconds the same as the sensor. if the flushing time is too long, so a clock wise rotation with a screwdriver to set time, and finally to make the time shortened. Adjustable water: According to the water-saving requirements in different customers can self-adjust the volume of flushing water. INDUCTIVE DISTANCE: 40-85cm (30cm X 30cm by white color version test), the sensor range automatic regulation.