【Material】These LED water faucets are made of ABS with plating, reliable and safe, durable and long-lasting to use. <br><br> 【Temperature Control Color Changing Faucet】Faucet will change its color gradually and automatically by water temperature, when the water temperature is below 31 degrees celsius, the light color is blue; when the water temperature is between 32 and 43 degrees celsius, the light shows green; when the temperature is between 42 and 45 degrees celsius, it turns to red; and when it is higher than 44 degrees celsius, the light flashes red. <br><br> 【1 Multiple Color Faucet】Rely on hydraulic drive generating their own power, no need for the power supply, safe and environmental. The sensitive faucet light will change colors according to the temperature of water. <br><br> 【Wide application】The product is externally threaded connector with internally threaded adapter; adapter can make the product suitable for a variety of faucet interfaces; proper for bathroom or kitchen, very fantastic and durable. <br><br> 【Note】Please confirm the size before ordering, only suitable for the outside diameter of 22 mm faucet, you can add sealant tape to secure and prevent leakage, if the LED water faucet lights up, it requires a certain water pressure; and it won't light up if the water pressure is too low.