No Battery Required: LED lights are powered by running water, no battery or power supply required, when you turn on the shower head, the LED water pressure will be activated. With 7 colors, enjoy wonderful bathrooms and beautiful colors. Easy and Quick Installation: Tool-free installation, the shower handle connects directly into the shower hose, suitable for all types of connectors. Excellent Water Pressure: Small dense holes designed to make water come out firmly, delicately, and with a constant flow. Improved pressure, and 30% water saved. Made of environmentally friendly materials: ABS material, with a transparent design and a high-density filter that is removable for easy cleaning. Strong Filtration: The negative ion filter purifies water. Built-in negative ion purification filtration, heavy metals, chlorine, bacteria, fluoride and impurities, improves the quality of your water.