Description: You may puzzled with the temperature of water unless you touch it, now with this device this problem is solved. Easy to install and use.This little device fits on most taps and lights up a set of LEDs when you turn on the tap. Transforming the stream of water into a beautiful waterfall of light. The sensitive faucet light will change colors according to the temperature of water. The color`s change remind you the water`s temperature. No batteries and external power supply, it will illuminate after water flows down.Powered by water flows. Offer you a delight & wonderful experience. ABS chroming material, excellent corrosion resistance, durable. Ideal for bathroom or kitchen to make it fantastic. Specifications: Material: ABS LED emitting color: Green, Red & Blue Size: 24*35mm(outside diameter * height)Package Included: 1 x LED Faucet Notes: 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. 3. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.