... surfaces, concave and other placesHOW TO CHOOSE LED LIGHTS1, first, to ensure that the product voltage for ... 2, select the light color, this is to adapt to customer habits. 3, about the quality of ... illumination is decided by chip. My company is using Epistar chip, use SMD3528 the chip has the ... high brightness. (Other brands of chips according to customer requirements).Here we introducing two type of ...