The Pentair IntelliBrite Architectural Series Spa Light is a white LED light designed for underwater installation in spas and pools. Operating at 12 volts with an 18-watt output and a 100-foot cord, it is recommended for upgrading from incandescent or earlier-generation Pentair LED lighting. Refined optics help spread light evenly to minimize hot spots and glare, making it ideal for creating a comfortable ambiance in aquatic settings. This is a 12v light and requires a Pentair Transformer part number 619963 or 619962.