1. Material: A. Lamp body and cover are made of aluminum die-casting; B. High purity aluminum reflector; C. Tempered glass lampshade; D. High- temperature resistant silicon seal ring; 2. Exterior Dimension: 940 x 485 x 224mm; 3. The dimension of lighting arm hole: 60 mm; 4. Top cover opening adopted; 5. IP degree: IP65; 6. Protection degree: Class I; 7. Lighting source: 150W-600W HPS or metal halide lamp.