Explosion-proof grade: Explosion 
 Explosion-proof mark: ExdIIBT4 
 The dangerous sites with explosive air mixture: 1 & 2 
 Flammable gas, steam level: IIA, IIB 
 Temperature class: T1-T6 
 Can be equipped with the object: U-type fluorescent lamps, and electronic light boards Dianwu class 

 This series of explosion-proof lights using cast aluminum alloy shell with plastic sprayed surface. Logo colors are green, rust and lead user-selectable symbol, logo design can be designed according to user requirements. Built-in maintenance-free nickel-cadmium batteries, automatically charging the normal power supply, accident or emergency lights turn on automatically when power outage. Lighting can be installed rod, ceiling, hanging chain, suction wall. Pipe or cable wiring. Meet GB3836-2000, IEC60079, GB12476.1-2000, IEC61241 standard request.