... explosion-proof lighting 2.IP54 rating dust-free 3.Bridgelux 200w led chip 4.Diecast al. shell 5.CE&ROHS explosion-proof ... warranty•Convenient for installation, almost free-maintenance explosion-proof lighting technical data: Item name industrial lightingPower ... . Toll stations, Petrol/gas stations, Parking place3. Dockyards, Mining, Oil field4. Gymnasium, Stadiums, Plaza5. Shopping malls, exhibition ...