When single LED is operating, the temperature of lamp holder will be not over 45 degree, which will be good for the LED Lights product life. Last but not least, heat sink and driver are also important. If the heat sink is not effectively designed, it would certainly affect the chip. The stability of driver is of great importance as well. Driver with low quality would affect the usage of light fixture. led high bay enterprises shall keep an eye on chip purchase, and further conduct aging experiments to test the quality. Only by ensuring chip quality can LED lights working in normal temperature have long product life.