A portable UVC sterilizer is a device that uses ultraviolet-C (UVC) light to kill or inactivate microorganisms such as bacteria, viruses, and mold spores. UVC light has a wavelength between 200 and 280 nanometers, which is effective in destroying the genetic material of these microorganisms, preventing them from reproducing and causing infections. A portable UVC sterilizer typically comes in the form of a handheld device or a small box-like unit. It is designed to be easily carried and used in various settings, such as homes, offices, hospitals, and public spaces. The device emits UVC light that is directed towards the surfaces or objects to be sterilized, effectively disinfecting them within a short period of time. Some portable UVC sterilizers are equipped with additional features, such as timers, motion sensors, or built-in rechargeable batteries, to enhance their usability and convenience. They can be used to sterilize a wide range of items, including smartphones, tablets, keyboards, baby bottles, toys, masks, and other personal items. It is important to note that UVC light can be harmful to human skin and eyes if directly exposed. Therefore, it is essential to follow the manufacturer's instructions and safety guidelines when using a portable UVC sterilizer to avoid any potential health risks.