No matter we purchase or select the down light, ceiling light or panel light from shop, market or online, there are a few  important factors needed figure out before make the final decision, such as the color temperature, beam angle, efficacy, color rendering index CRI and size and so on, of course, the brand for down light is the most important, it means the reliable quality, longer life time and good after sell service, and this why IMIGY Lighting become into consumers top choice, as they can provide high quality indoor commercial lights with competitive price and longer warranty, but also provide good after sell service for consumers always.

So what does color rendering index CRI mean? Is it important for down light?

As general, CRI is the shorten for color rendering index, and color rendering index can be regard as the necessary measure, which used to check color rendering quality, in the other words, with the higher color rendering index value, the better for down light or any kinds of indoor commercial LED lights. The biggest value for color rendering index is 100, but the lowest value can be negative, for example, the color rendering index for sodium vapor lamp’ yellow light is -44. But for all series down light, which produced by IMIGY Lighting, its normal color rendering index high reaches to 80, if consumers would like higher CRI value, such as 90, 95 or 97, of course, we can also provide the suitable down light for them.

If consumers would like to purchase color rendering index CRI 80 series down light, we recommend you Imigy Miracle series down light. Miracle series down light has three difference size, 40° and 60° beam angle is option. except the normal white housing, Miracle series down light can also be produced with black housing, both white housing and black housing has dimming function for consumers to choose.

Another important feature for down light is lumens, what is the meaning of Lumens?

Generally speaking, lumen can be regard as the brightness or output indicator for all kinds for LED commercial lighting, include down light, for example, if the total light output for down light is 900lm, it means the lumen for this kind down light is 900. How do we judge how many lumens the down light has? The answer is use the goniophotometer, it is the professional device used to measure the down light luminous intensity from all directions, and their sum value is the total lumens for down light.

For Miracle series down light, as we mentioned before, Miracle down light whole series available from 3 ",4"and 5", and the actual efficacy is depends on the size. For example, for 4" size and 4000K color temperature Miracle down light, its efficacy high achieves 100lm/W, the total lumens is 900lm. For 5" size and 4000K color temperature Miracle down light with dimming function, the efficacy is around 90lm/W, the total lumens value is 1050. The warranty for all size Miracle series down light is three years, how a nice economical choice for you!