Transformers are specifically designed to supply 12 volts to pool or spa lights
120V, 100' Cord IntelliBrite 5g White LED pool lights provide the most energy-efficient lighting ever. They use 86% less electricity than incandescent and halogen pool lights
100'Cord - 120V LED Saves Energy and Lasts Longer - Model EC-640122 - This is the smaller spa light pictured
Pentair EC-640132 IntelliBrite LED Saves Energy and Lasts Longer!
Pentair IntelliBrite 5G LED Color-Changing Pool Lights 100'Cord, 120V EC-602122
LED Saves Energy and Lasts Longer - Model EC-602124 12V