Kingbright l 934 series 3mm leds kingbright l 934mbc a blue water clear 3mm general purpose led from the kingbright l 934 series the blue source colour devices are made with gan on sic light emitting diode it is recommended that a wrist band or anti electrostatic glove should be used when handling these leds all devices equipment and machinery must be electrically grounded kingbright l 934mbc 3mm blue led clear 80mcd