This aquarium light can be attached to aquarium glass with a thickness of less than 6mm by its ferromagnet. It is completely suitable for the growth of aquatic plants and gives you a beautiful aquarium landscape. Feature: ☼ Ferromagnetic Design: This small LED light can be attached to aquarium glass with a thickness of less than 6mm by its ferromagnet, no additional installation methods are required, and it is very convenient to use. ☼ Night Lighting: The light for the fish tank can illuminate pure white light and cool blue light, which is completely suitable for the growth of aquatic plants and gives you a beautiful aquarium landscape. ☼ Safe&High Brightness: The high-brightness lamp beads and the safe working voltage make the light will not cause any danger to people or fish. It is reliable and durable. ☼ 360°Rotatable Cord: Flexible cord design achieves universal rotation and bending, which makes it easier to adjust the light position. ☼ USB Interface: Universal USB interface