1. Colorful Waterproof Design: Using LED colorful light sources and having excellent waterproof performance, it can be used in water for a long time, creating a colorful underwater lighting effect for the fish tank and adding a decorative touch. 2. Ultra-bright Lighting Effect: It has an ultra-bright lighting ability, which can provide clear and bright light underwater, allowing you to clearly observe every detail in the fish tank, whether it is the swimming of the fish or the growth of the aquatic plants. 3. Convenient USB Power Supply: It is powered by a USB interface, which is convenient to use. It can be connected to devices such as computers and mobile power supplies, without being restricted by the power socket, bringing more convenience to your use.