1. Modular pluggable technology, onsite maintenance free of tools. 

2. Cellular and whole structure radiator, good heat dissipation performance. 

3. Eutectic welding LED light source without gold thread, free of risk of stopping work caused by broken thread. 

4. Double coupling protection with ultra waterproof level. 

5. Intelligent constant current driver with long life span. 

6. Accurate design for distribution of luminous intensity, makes light uniform without glare. 

7. Special structure design for easy and angle-adjustable installation. 

Widely used in tunel, culvert, venues etc.