VDOMUS&reg; 7 Color LED Lights Shower Head Bathroom Showerheads-Rainbow LED Lights Cycle Every 2 Seconds VDOMUS brand, quality guaranteed Material: ABS plastic, finish: Chrome LED numbers: 5pcs, G1/2 male thread connector LED powered by water flow, no battery or external power needed, eco-friendly and energy saving Seven color light will gradually change according to water pressure