Interchangeable colored LED module High intensity LED White IPX4 Rated for water resistant operation Integral pocket clip on endcap Serialized for positive identificationInterchangeable LED module for use with the PolyStylus pen light. 5mm high intensity White LED. LED is impervious to shock and has a 100,000 hour lifetime. Color coordinated parabolic reflector produces a concentrated beam with optimum peripheral illumination. Produces up to 9 lumens.