SDC is a water-based diaper changing station that sterilizes through heat. When closed, it undergoes sterilization and rinsing. The water turns into hot water to cleanse the surface, while the soiled water flows down via connected pipes. Once the internal sensor detects a temperature of 90°C, it gradually increases, transforming the water into sterilizing steam for drying. The station remains closed for safety until sterilization is complete. Additionally, a designated area on the side allows users to temporarily store dirty diapers, preventing contact with the baby's skin.