No need for batteries and external power supply, it lights up when the water flows down. Automatic light switching. 7 colors are automatically displayed when the water is flowing. The main colors are green, red and blue. LED light-emitting Color: green, blue, red, etc. ABS electronic material, corrosion-resistant and durable. Transform the water flow into a beautiful waterfall of light. Even if no other lighting equipment is needed, the brightness is sufficient. Fits all standard connectors for easy installation. Provide you with a pleasant bath and a wonderful experience. Perfect for the bathroom and makes it even more wonderful. The change of LED color is not affected by water temperature. Calcium sulfite balls for energy, beauty and health, increase cell vitality. A spa shower head can work on its own. Negative ions activate ceramic balls, increase oxygen, diastolic blood pressure, and reduce fatigue. High-density filter is removable for easy cleaning Energy ball removes odor and impurities Removable water panel for easy cleaning 200% pressurized water saving 30% Essential for healthy bathing Interface size: shower 20mm external thread interface is universal 60mm /length 220mm /thickness58 LED Quantity: 15PCS Material: ABS Engineering Plastic Included: 1 x 7 Colors LED Shower Head...