... LED tube, it must has high efficience, good heat dissipation,and good stability.HSK has been specializing in Driver industry since ... 0.9D applications1.Factory ---A better choice for protecting eyes and body of employees2.Supermarket(special for refrigerater)NO ultrared rays ... to protect eyesight4.Hospital,building, square,parking lotsvery economy,and easy maintainpicture of driver Picture of Factory