This module consists of a 5mm RGB LED, 3 150Ω limiting resistors and 4 male header pins. Adjusting the PWM signal on each color pin will result on different colors.
The set contains LEDs in five different colors (red, green, blue, yellow and white) in both sizes: 3 mm (40 pcs of each color) and 5 mm (20 pcs of each color), altogether 300 pieces.