They are also known as pot lights. LED downlights are small fixtures that are recessed in the ceiling and throw lighting downwards. They are most useful in hallways, kitchens, and living areas. The Color Rendering Index CRI is more than 90+ which allows you better visibility. These lights come with dimmers which can dim the light source to save on energy consumption when the traffic of that area is low. These lights do not emit any kind of harmful rays and can be easily disposed of. Downlights have a good life of 50,000 years and the maintenance cost is very much low.