Aqueon Day LED Aquarium Lamp, Size 48, White Day white LED lamp is an all-purpose white light for crisp, bright illumination Use 70% less energy than T8 fluorescent lamps and maintains brightness & color over time If LED goes out, simply purchase a new bulb instead of an entire fixture! Easy to install and simply plug and snap into the appropriatly sized Aqueon fixture Choose your own colors and customize your light fixtures