The HeliaLux Spectrum is a powerful LED insert light with a broad spectrum. Thanks to state-of-the-art SMD LEDs, maximum light output is achieved, which optimally supports plant growth and at the same time enables energy savings of around 50%. White LEDs provide excellent illumination of the aquarium, while red, blue and green LEDs produce intense colors and maximum contrast in the underwater world. The perfectly coordinated variety of colors promotes the vitality of the fish and ensures optimum plant growth. The HeliaLux Spectrum is easy to install and fits perfectly into your aquarium. JUWEL aquarium. With an aluminum honeycomb structure for optimum heat dissipation, a high-tech membrane as a moisture barrier and scratch-resistant safety glass, it is durable and reliable.