The water color is changed by the water temperature. No batteries ,no wires needed . RGB color CHT-1125 RGB Color Temperature detectable LED faucet  Temperature-sensitive LED faucet1. No batteries, no wires needed, built-in mini hydroelectric generator,when water flows the...

Plastic Led Faucet Tap with temperature sensor:blue for cold,red for hot,with 2 adaptor Plastic Led Faucet Tap with temperature sensor:blue for cold,red for hotSize:6.4*3 cmInstalls in less than a minuteLong lasting bright blue and red ledFully enclosed battery pack...

Color Changing Kitchen Tap LED Faucet Light:temperature controlled 3 colors changing,best for any bathroom kitchen sink Color Changing Kitchen Tap LED Faucet LightProtect you from scalding by tsting the water temperature with this 3 Colour Changing Faucet Light. It will shows from...