Aobi Home Kitchen Shower Water 3 Colors LED Light Temperature Sensor Faucet Tap 20mm 22mm 24mm Thread Diameter The LED water faucet is a popular high technology electronic products in the nowadays world, 3-color change for different water temperature gives you a romantic and wonderful experience Screwing this fashionable LED water faucet to your pipe and turn on the water, light is activated by a water pressure, that looks colorful when water flows out And the light turns off automatically when turn off the water, not need battery to power, the water flow can generated electricity for the water faucet, environmental protection and energy conservation Adopt the high speed strong magnetor, to make sure it can motivate the generator to power the LED in ultra-low water pressure This water faucet has a default 22mm fine pitch female thread(inside thread) and 20mm & 24mm male thread(external thread) adapter, fit most taps and made of ABS plastic, excellent corrosion resistance, light-fast bright and durable