To compare with LED bulbs, the LED Down light has good light-gathering, high power and luminous Flux, good heat
dissipation and other advantages, has become one of the important LED commercial lighting products.Classification
from the light source, LED Down light has 2 combinational ways: "COB chip" which called COB LED down light and
"single chips", which have their respective advantages, relatively speaking, single lamp chips technology mature,
is one of the best way to replace the traditional down light.

LED Down light has "external power supply" and "built-in power supply" two kinds. Generally, smaller housing LED
Down light, in order to get better heat dissipation, power supply will be external. Larger housing LED Down light,
power supply will be inside, to reduce the total area of the lamp.

There are two main housing materials:  aluminum die casting and aluminum alloy.

China LED Down light Union standards, the first official release in Foshan 30December,2010, China's first LED down
lights Union standards, released in Foshan, the Enterprise Alliance standard will be expected to develop into a local
standard and even the national standard. In accordance with the standards, Foshan LED down light products or
collective mark will be affixed to enter the market.