The Fluval Marine & Reef 4.0 LED Light is designed specifically for nano and desktop aquariums, providing a bright and efficient lighting solution for marine environments. With a bulb type of 4.0 LED and a color temperature of 25000K, this light is perfect for illuminating small aquariums with precision and clarity. The Fluval brand is known for its high-quality aquarium products, making this light a reliable choice for maintaining a healthy and vibrant aquatic environment.