1. 爆炸性氣體環境危險場所:1區、2區; 2. 可燃性氣體、蒸氣級別:ⅡA、ⅡB、ⅡC; 3. 溫度組別:T1~T6; 4. 戶內、戶外(IP65); 5. 可配裝雙管熒光燈。 1. For the dangerous sites with explosive air mixture: 1division, 2division; 2. Flammable gas, steam class: ⅡA、ⅡB、ⅡC; 3. Temperatures classification: T1~T6; 4. Indoor and outdoor (IP65); 5. The fit with dual-pipe fluorescent lamp is available.