LED kit. This kit contains with 5 pcs white, red, green, blue, yellow transparent each and red , green in indication type. extra 5pcs 1 watts white led. 5pcs 1.5k resistor for indicator type only. In a plastic box all items contain. LED rated for 3v, if you more voltage then use resistor like 1k for 12v, 1.5k to 24v.
you can connect the 1 watts LED directy to 3 to 5v.