A sterilizer kills 99.9% of harmful germs. Overall, there are 2 types of sterilizer: Steam Sterilizer & UV Sterilizer.
Steam sterilizer using 100 degree Celcius steam to kills germs. After sterilization, the bottle & accessories are wet. So, there are drying function available in some models.
UV sterilizer using UV light to kills germs at a lower temperature. So, you may put almost everything inside the UV sterilizer including soft toy, mobile phone, remote control, etc. All UV sterilizer comes with dryer function.