The CSL09 series is built having a lens type. It is mainly intended to be a replacement for LED lamps (traditional leaded LED types). It comes in different colors ranging from a wavelength of 470 nm (blue) to 630 nm (violet), with three different brightness series. Compared to traditional leaded LED types, the CSL09 series offers miniaturization with a height of only 1.2 mm while still maintaining even brightness.