Material: Made of ABS material with excellent corrosion resistance. Ideal for kitchen or bathroom to make it fantastic, very dreamy and durable. Help children avoid scalding water. About Product: The color changes according to the water temperature. Color changing faucet has built-in mini generating electricity devices, don't need batteries, as long as the water flow it will give out light, turn off the water, the light goes out immediately. Colors Changes: When the water temperature is below 32 degrees, the light color turn to blue. When the water temperature is between 33 - 41 degrees, the right shows green. When the water temperature is between 42 - 45 degrees, it will display the red. When the water temperature is higher than 46 degrees, the light flashing red. Easy to Installation: Water consumption:The product is externally threaded connector with internally threaded adapter. Adapter can make the product suitable for a variety of faucet interface. 1.5L/min. The product has excellent water conservation function, and connected at the top with the water-saving filter. Product Size: 1.4x0.95x0.95''. Internal diameter: 0.6''. External thread diameter: 0.86''. LED emitting Color: green, blue and red .