UV sterilizer and steam sterilizer and dryer also have the functions of sterilization. UV bottle sterilizer uses ultraviolet to eliminate 99.99% of bacteria and viruses from baby bottles, nipples or other feeding accessories, while the steam sterilizer and dryer sterilizes with the hot and filtered air. And UV sterilizer has larger capacity and comprehensive sterilization. It can hold up many bottles of different shapes and size and baby accessories inside for sterilization at once, which is more than steam sterilizer and dryer. Unlike the steam sterilizer and dryer, UV sterilizer no need water to disinfect the baby items, so you don’t need to clean the limescale and rust.