The built-in UV-C lamp sanitizes 99.9% of bacteria, viruses, and germs in 5 minutes. Keeps your instruments safe and clean by reducing the spread of germs, bacteria, and contaminations. This feature can be used with, or independent of the ultrasonic cleaning function. Ultrasonic cleaning removes grease, dust or other contaminants from surfaces and cavities of small objects, parts and samples such as cuvettes, lenses, glassware, stainless steel instruments, tools, electronic parts, medical and dental instruments, and more. Does not pollute, scratch the surface or harm objects like many chemical or abrasive cleansers. Timer can be set from 1 ~ 30 minutes with the remaining count-down time shown on a large bright LED. 1.2-liter tank capacity with 10” long cleaning bath, made of high quality 304 stainless steel makes it suitable for sterilization and cleaning of various instruments. Operates quietly and is powered by a detachable AC power cord.