LEDs are known for being extremely long-lasting products,however they can't keep going forever.The average lifespan of an LED is regularly evaluated as long as 50,000 hours. If used 12 hours a day, an LED will last more than 11 years!
LEDs are long-lasting light sources which are not suddenly fail, but usually they loses their performance and brightness over a period of time. A point at which LED loses brightness depends external factors for examples temperatures, humidity and also on the operating condition. Some LED leds to burn out due to overheating incase of poorly designed LED lights. It’s best to use light meter, to determining whether or not an LED light has reached the end of its lifespan.