1. widely used in oil extraction, oil refining, chemical industry, military and other dangerous environment and offshore oil platforms, oil tankers and other places for common lighting and working lighting;
2. Suitable for explosive gas environment zone 1, zone 2;
3. Explosive atmosphere: class ⅡA,ⅡB, ⅡC;
4. Suitable for combustible dust environment in the area 22, 21;
5. Suitable for high protection requirements, damp places.
