Kit makes an 8 input output driver circuit to enable the FK type LED kits to drive higher loads, such as light bulbs or relays. Each output can drive up to 500ma. You can also combine outputs to drive higher loads. For FK kits using DC 5-15 Volts

Kit comes with complete with circuit board, IC, 8 33k resistors and instructions. Requires basic soldering skills, a small amount of solder and a 15 to 30 watt soldering iron. Power supply is not supplied with kit.

Have fun, that's what it's all about.