Ai OzoneMixer is a kind of the ending device that can be DIY connected on the faucet. The patented DFC testing system can sense whether the tap is turned on or not, and then, cooperating with the patented ozone and water mixer, the ozone and water will fully mix, and the tap water will become the ozone water that has the effects of sterilization and disinfection instantaneously. In this way, the tap water is not only clean, but also has the sterilization effect that can strengthen maintaining the health of the entire family.