Simply The COBs leds are brighter, consume less power and give the output of higher beam of light as compared to the other LEDs that has been shown in the other trade and it also allows you to change the intensity and its direction of the lights as the way you like to have. They can easily able to be preserve for a long period of time. The COB led light is a panel of LEDs chips which were packed and placed very closely to each other. https://www.jainsonslightsonline.com/led-lights/cob-led-downlights