Litezone Pool Light Bulb: PAR38 110V-240V 50W LED Pool Light For Inground Pool, 6500K Daylight White Pool Lighting, E26 E27 Replacement For Pentair Hayward 10 Inch Pool Light Fixture More features Super Bright & Energy Efficient: Powered by high-efficiency LED chips, the LITEZONE 50W pool light bulb delivers an exceptional 120LM/W luminous output, comparable to a 300-600W incandescent bulb. This ultra-bright led pool light enhances your pool experience while saving you over 85% on electricity costs. 90° Wide Beam Angle: Featuring an upgraded reflective cup, our pool lights expand the beam angle from 30° to 90°, providing a broader light coverage. Whether it's a large or small pool, this light eliminates dark spots, delivering consistent, bright illumination for a superior pool lighting experience. Durable & Reliable: Built with premium die-cast aluminum housing, the LITEZONE ingruond pool light offers better heat dissipation than traditional fan designs, extending its lifespan. The high-temperature-resistant power supply prevents bulb damage caused by heat buildup inside the niche. LITEZONE also comes with a 24-month assurance for peace of mind. Quick 1 Minute Installation: The LITEZONE underwater pool light uses a standard E27 medium base, allowing for a 1-minute quick installation—just unscrew the old light and replace it. We recommend replacing the bracket and gasket during installation to improve the seal of the led pool light bulb. 120V Voltage: Before ordering, please check the voltage, socket configuration, and size of your fixture. Our Par38 pool light bulb for inground pool is designed for 120V with a surface diameter of 4.7 inches and a height of 5.5 inches, compatible with most 10 inch pool fixtures. To determine your fixture voltage, install a standard 120V bulb. If it lights up without flickering, your fixture is 120V; otherwise, it’s 12V.