3mm/ 5mm LED Dual Color - Red/Green Common Cathode/ Common Anode (5Pcs)
This red and green dual color led have 3 pins - Cathode is the longest pin, and the other 2 pins for each color. This LED can be used as two status indicators. Of course you can also adjust the lightness of each color, with PWM, to make this LED other color such Yellow. The lens of this dual color LED is 3mm in diameter.