The 1-kit lights kit can be used by themselves as a stand alone single light, or you can add additional PondMAX Warm White Add on Lights up to a total maximum size of the chosen transformer wattage. The add on lights are sold separately and plug into each other.
The 3-Kit Light Kit comes with 3 White LED Lights. Similar to the one kit lights, you can add additional PondMAX Warm White Add on Lights up to a total maximum size of the chosen transformer wattage.