Home Depot does not sell UV lights. However, there are many other retailers that carry UV lights, including hardware stores and garden centers. UV lights can be a useful tool for killing insects, removing graffiti, and cleaning surfaces. Some people also use UV lights to treat skin conditions, such as acne.
It is important to use caution when using UV lights, as they can be harmful if used incorrectly. Always read the product instructions before using a UV light, and take appropriate safety precautions when using them.