1.100w led bay light 2.heat sink 3.high reputation 4.50000hrs lifespan 5.3 years warranty About us For more than 4 years, we are a leading high-tech enterprice and a leader LED,inverter & converter manufacturers in researching & developing , manufacturing, marketing , and after sales servicing of LED application lights , a wide range of LED lighting, LED fluorescent tubes, LED strips, LED ...