Explosion Proof Emergency Lighting 1.Can be used ... used in IIA ,IIB,IIC Explosion Proof Emergency LightingFeaturesLed bulb,2*10W.Diecasted aluminum alloy shell ... apporpriate sites,but the dual-purpose for lighting and emergency type share a same lamp body, ... voltage(V)Emergency startingtime(s)Recharging time(h)Emergency lightingtime(min)Normal Emergency22060.32490 Explosion Proof Emergency Lighting