This kind of LED Down Light is a down-light type lighting fixture embedded in the ceiling, which belongs to directional lighting fixtures. Only its opposite side can receive light, the beam angle belongs to spotlight. It has the advantages of energy saving, low carbon, long life, good color rendering and fast response. In addition, the LED Down Light is beautiful in design and can maintain the overall uniformity and perfection of the building decoration during installation, without damaging the setting of the lamps. It belongs to the cold light source type, which is convenient for transportation and installation, and can be installed in any miniature and enclosed equipment without fear of vibration. The LED Down Light is widely used in corridors, offices, schools, hospitals and other places.