Multi-coloured tap: the colour changes automatically, colour does not change with the temperature, 7 colours are mixed automatically displayed when water flows, it is powered by water pressure; no charging, no batteries. Material: Made of ABS material with excellent corrosion resistance. Ideal for bathroom or kitchen, very fantastic and durable. 7 colours LED tap: 7 colours are automatically mixed when water flows. Automatically change one colour every 2~5 seconds. No batteries, no cable needed. The LED light will light up when you turn on the tap. Easy to install: the product has an external thread connection with internal thread adapter, the LED tap fits with the roundest tap with internal thread diameter 24 mm, easy to install. The connection can adjust the tap with external threads to the tap diameter 22 mm. Made of ABS material with excellent corrosion resistance. Ideal for bathroom or kitchen. A perfect gift: as a toy, it entertains the children. Children wash their hands more often. Great value as a little fun for kids and they love them. Snaps in amazement and giggles with joy every time they turn on the tap. Adds a bit of fun and interest to a boring plant. Note: When the LED tap lights up, it requires a certain water pressure. If the water pressure is too low, it does not light up. Please check the size of the tap when you buy the product. Our faucet filters are equipped with converters that are suitable for most taps.