The lamp body is made of high strength aluminium and the reflector is made by the high purity anodized aluminium.Aluminium die-casting surface cover. Adopt CITIZEN LED with Nichia chip which is stable & reliable with high luminous flux. The chimney heat-sink speed up the heat dissipation to rising hot air to speed up the circulation and convection, dissipates internal heat,which effectively extend the life time of the light source. High transmission lens and the anti-glaring anodized reflector keep the output stably of luminous efficacy. It is suitable for star-rated hotels, super markets, department stores etc. This product is CE certified and all materials are in conformity with RoHS standard.