Ψ Scope: widely used in oil exploration, refining, chemical, military, and other dangerous environments and offshore oil platforms, oil tankers and other places for general lighting and task lighting; ● suitable for energy-saving projects and maintenance to replace the difficult places; ● applicable to the protection requirements, humid places; ● suitable for explosive gas atmospheres, Zone 1, Zone 2 places; ● suitable for combustible dust environment 20, Zone 21 and Zone 22 spaces; ● suitable for Ⅱ A Ⅱ C group explosive atmosphere; ● apply to T1-T6 level temperature group.