The Senzeal X7 Gemini Double Head Aquarium Fish Tank Light is a great way to add some extra life to your fish tank. This light features two heads that are connected by a stem, allowing them to move back and forth to create a natural swimming motion. The light is made of high-quality acrylic and is UV-free and nonradiative for your plants and fishes. With a bright white light, this light provides plenty of illumination for your fish tank.