1. High efficiency and low energy consumption: imported LED chip for light source, light efficiency can reach 100-130lm/w, saving more than 60% energy in comparison to metal halide lamps. 2. One single casting aluminum case, hi-po electrostatic powder plastic spraying surface, corrosion and rust resistent 3. 4mm special anti-dazzle steel glass, heat & impact resistant 4. Radiator consists of 22 pieces of 1070 aluminum radiating sheet, the heat transmitting index of 1070 aluminum is 226W/mk. 5. Environment friendly, no lead and mercury, no infrared and ultraviolet ray radiation 6. Even and comfortable light, no overlapping shadow; Good color rendering, color temperature close to the sunlight 7. Power with constant current and constant voltage control; can endure the undulation from the grid, no noise and no stroboflash. 8. Exterior fastener uses stainless steel, dainty and endurable. 9. Built-in or built-out power supply.