Product features: 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. Major parameter: Rated voltage:ac 220v Rated power:led 100w(120w custom made) Luminous flux:100w 10000lm Casing material: high strength aluminum alloy Transparent part material: special steel glass Waterproof level:ip65 Corrosion-proof level:wf2 Weight:5.2kg Dimension;270*250.5*130mm Mounting method: wall mounting, ceiling mounting and seat mounting