save energy and emissions, save water, improve people's living standards, and improve the clean environment of toilets. it is completely green, environment-friendly and energy-saving. instead of electricity, it makes full use of pipeline energy and atmospheric pressure energy to realize various functions of the toilet. applying the principle of physics, the pressure in the water pipe is changed into the gas energy of compressed air to realize various movements of the toilet. one ceramic base, one set of water distribution parts, one set of toilet cover, one set of mounting screws, one set of operating instructions for toilet decorative cover..syi