1. Widely used in oil exploration, oil refining, chemical, military and other hazardous environments and offshore oil platforms, oil tankers and other places as a warning signal purposes;
2. Applicable to high-rise buildings, drilling platforms, tall facilities and tall oil storage facilities on the building, the instructions for the use of aviation obstacles.
3. Suitable for explosive gas environment zone 1, zone 2;
4. Explosive atmosphere: class ⅡA,ⅡB, ⅡC;
5. Suitable for combustible dust environment in the area 22, 21;
6. Suitable for high protection requirements, damp places.