ATEX Light IP66 Rugged High Bay Explosion Proof Fixture 100W 200W 300W Corrosion Resistant Lamp for Industrial Mining Tunnel Lighting. ATEX and IECEx certified for hazardous areas. IP66 waterproof and dustproof protection. 50W to 300W power options available. High efficiency up to 130 lm/W. Die-cast aluminum and tempered glass construction. WF2 corrosion-resistant surface treatment. Dimmable and wide voltage driver support. 5-year warranty for long-term use.