This small device fits most faucets. When the water is flowing The LED lights up automatically immediately.It allows you to turn the water jet into a beautiful waterfall of light. 3 types, including 1 color, 3 colors (according to temperature), 7 gradient colors for kitchen and bathroom.Made of ABS material with excellent corrosion resistance. Product description Color: 3 colors Description:-This small device is suitable for most faucets. When the water is flowing,-The LED will automatically light up immediately. -It allows you to turn the water jet into a beautiful light waterfall. -3 types, including 1 color, 3 colors (according to temperature), 7 gradient colors for kitchen and bathroom. -Made of ABS material with excellent corrosion resistance. -Very suitable for bathroom or kitchen, very good and durable. Specification:-Material: ABS plastic -Dimensions: about 70x40x22 mm / 2.76x1.57x0.87 inches Package includes:1 piece faucet