Thomsen 150433 LED indicator light (multi-colour) RGB Circular 5 mm 1800 mcd 15 ° 20 mA 3.5 V

This LED emits the three primary colours, red, green and blue, in a particular order with changing speed. With the universal housing the LED can be used for a range of applications from effect lighting to modelling.

Price: 1.99 from Conrad Electronic