1. Applicable to Zone 1 and Zone 2 areas with explosive gas atmospheres;

2. Applicable to explosive gas atmospheres of Class IIA, Class IIB, and Class IIC;

3. Applicable to areas with explosive dust atmospheres, Zone 21 and Zone 22;

4. Suitable for use in explosive dust atmospheres of Class III A, III B, and III C;

5. Applicable to temperature groups T1 to T6;

6. It is suitable for use as an accident signal alarm or indicator in hazardous locations such as oil extraction, refining, chemical industry, military industry, offshore oil platforms, and oil tankers.