3mm Blue LED 2 Pin – Clear Lens A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. These color-changing LEDs take the work out of creating crazy, flashy, blinky… ness. Simply apply power and the LED will cycle through the Blue colorspace: no external controller necessary! These bright and festive LEDs make great decorations, LED “throwies”, indicator lights, etc. Operating Voltage 2V-3.4V DC Operating Current 20mA Diameter 3mm Colour Blue Lens Clear Clear Number of Pins 2