Cascada Color Changing LED Waterfall Widespread Bathroom Sink Faucet (Chrome Finish) No need any battery or electronic connection There is a micromoto inside the faucet & can supply power to led light forever when water flow Available to work more than 600,000 times at a water temperature of 90 degrees. High quality material and finishing tested at a high water pressure of 1.6Mpa. Featured with durable ceramic valves ensuring there are no water leaks.