... chip 4.Diecast al. shell 5.CE&ROHS explosion-proof lighting :Special Features:•Anodized diecast aluminum tensile ... Energy-saving, environmental-friendly and long warranty•Convenient for installation, almost free-maintenance explosion-proof lighting technical data: Item ... Toll stations, Petrol/gas stations, Parking place3. Dockyards, Mining, Oil field4. Gymnasium, Stadiums, Plaza5. Shopping malls, ...