方便的卫生间冲水 / Glücklich und gesund Toiletten

　　　It is unpleased for you to touch toilet flush switch ,every time you use the bathroom ,because the toilet flush switch is dirty and flush toilets can be a very tricky thing.
　　　Happy and Healthy Toilets is a kind of clever switch which combined toilet flush switch with the doorknob to the toilet..It will flush toilets automatically for 10 seconds ,every time you open and close the door by spinning the doorknob to the toilet.It is very convenient, efficient and clean.