1.High purity aluminum reflector, most accurate light beam, the reflection effect is best. 2.Symmetrical narrow Angle, wide Angle and asymmetric light distribution system. 3.Behind the open-type lamp replacement, easy maintenance. 4.With scale plate lamps are easy to adjust illumination angle. Currently, the main application areas are about these: the building's exterior lighting, indoor local lighting, green landscape lighting, billboard, and other home lighting and commercial lighting,etc.