The PureWhite 2 LED 12V, 40W White LED Pool and Spa Light Bulb is a replacement pool light bulb that reduces electricity cost with its LED design. The ultra-bright light features increase coverage across pool floors and surfaces. This LED pool and spa light bulb lasts up to 50,000 hours of extended use. Specifications: LED pool lighting, Optical diffuser for better lighting, Cooling System, Average lifespan of 50,000 hours, Edison base, Replaces Hayward AstroLite, Pentair AmerLite, and Jacuzzi Full Moon, Meets ETL standards, AmerLite Gasket included