скидка ac 85-265 напряжение встраиваемый светильник slim led down light белый цвет для оптовой или розничной продажи

1. what is led down light? led down light is a product developed on the basis of traditional down lights using new led lighting sources. compared with traditional down lights, led down lights have the following advantages: energy saving, low carbon, long life, good color rendering and fast response. 2. what is the applicable place for the down light? led down lights are widely used in corridors, offices, schools, hospitals and other places.