1. It is suitable for areas 1 and 2 in explosive environments;
2. It is suitable for areas 21 and 22 in explosive dust environment;
3. Suitable for IIA, IIB, IIC explosive gas environment;
4. Applicable to T1~T6 temperature group;
5. It is suitable for energy-saving renovation projects and places where maintenance and replacement are difficult;
6. Widely used for lighting in petroleum exploration, oil refining, chemical industry, military industry, textile,...