OPAL led High Bay lights are manufactured with quality controlled components from the Reputed manufacturers across the world. All the parameters are controlled as per the international requirements We manufacture These lights with SMD Chips, and with suitable housing to dissipate the heat produced. In the design we ensure only 5 Degree raise in Case temperature above ambient.We use the best LED chip which provides best efficiency of 130-140 Lm/W , and best lumen maintenance and the life is 50000 Hours.