A toilet cistern with two buttons, a small button and a big button, they are half flush and full flush.

Small button: it is half flush. Press it will discharge half or one third of the water, not all the water in the tank will be discharged. Use it when you urinate.

Big button: it is full flush. Press it can drain all the water at one time. For use in bowel movements.

when you urinate, just need to press the small button, on the contrary,press the big button. If you press both buttons at the same time, all the water in the tank will be released, and the water will be flushed with more power and more water.

The function of two buttons is different, according to different circumstances to choose the corresponding method, so you can save water for the earth!