NiteLighter Underwater Lighting Systems are the perfect solution for your pool lighting needs. With models for aboveground, inground, and now soft-sided pools, NiteLighters are designed for easy do-it-yourself installation with no draining or drilling of the pool required. Each Nitelighter is equipped with an outdoor-rated 12 volt transformer. The Ultra models feature automatic shut-off and three colored lens covers. For a nighttime swim or entertaining by the pool, NiteLighter Underwater Lighting Systems will turn an ordinary swimming pool into an extraordinary nightlit oasis.