Description Voltage: 1.8 - 2.2V Includes 50 3mm LEDs, 5 different colors Covers Three Common Colors: Green, Red and Yellow Max Current: 20mA The 3mm 5 Different Colors LED (50pk) is ideal for your Arduino phototype projects. View more Specifications Suggested Using Current: 16 - 18mA Larger Plate Inside LED Flat on body of LED adjacent to negative lead Positive Lead (Anode): Longer Lead