Contains 5 Diffused Reds, 5 Diffused Yellows, 5 Diffused Greens, 5 Clear Blues and Clear Whites. These light-emitting diodes work well for a wide variety of applications. Comes with some resistors for connection. Forward Voltages are Red 1.9-2.0V, Yellow & Green 2.0-2.1V, Clear Blue and Clear White: 3.0-3.2V. Packaged in a resealable zip lock bag for your ease of use.