Ultra-bright DIP LED is used for diffusion light at a small angle. The diffusion strip is optional to make the light softer.SLA series light is a small-angle diffusion light. The aluminum sections is convenient for LED heat dissipation. Different sizes, different color temperature/wavelength can be selected. The back groove is convenient for installation. According to the characteristics of the measure object, a light group can be established and the beam angle can be adjusted.