1. "Water-saving toilet without water tank" can only be used by a small number of toilets. The pressure of tap water should not be too high or too low, and it will also cause the problem of pipe blockage, so it can only be used with caution.

2. There is no problem technically, but the adaptation surface is limited. Low water pressure is not good, small pipe diameter is not good, poor water quality is not good (delay valve will not bounce up after a long time) and so on. These limit the development of this form of toilet.

3. There are seven protections for water tanks, such as burn-out protection, triple protection of water temperature, protection against leakage, seat temperature protection, drying protection, overcurrent protection, and anti-freezing protection. Touch one-button operation, concise mode, greatly simplified operation. After the person leaves, the computer will automatically turn to an automatic energy-saving state, and the heating of the main bed toilet seat will be cut off. Arm cleaning, female cleaning, adjusting washing position, adjusting water potential, mobile cleaning and other functions.

4. Without water tank, it integrates warm water washing, heat preservation cover, warm air drying, and intelligent deodorization functions. It adopts imported stainless steel nozzle design. Separate the nozzles of the waterway design and wash the buttocks and the lower body of the woman separately. Hip washing, each time the water jet from the Defender Wash nozzle will replace the traditional tissue. It has a gentle washing function, and the gentle water flow brings you a comfortable washing experience, especially suitable for patients with hemorrhoids. The lower body washing function brings more care to women during their menstrual period, and for pregnant women, the washlet function allows them to complete the cleaning work even when turning around. The water temperature, water potential, nozzle position can be adjusted according to personal preference.