1. widely used in hazardous environments such as oil exploration, refining, chemical, military and offshore oil platforms, oil tankers, etc. general lighting and work lighting use;
2. applicable to lighting energy-saving renovation projects and places where maintenance and replacement is difficult;
3. applicable to zone 1 and zone 2 of explosive gas environment;
4. applicable to iia, iib, iic explosive gas environment;
5. applicable to areas 21 and 22 of flammable dust environment;
6. applicable to places with high protection requirements and humidity;
7. suitable for low temperature environments above -40 °c.