The Nozzle Light is temperature-controlled to add a colorful light stream to any faucet. The color changes with the water temperature. It turns red light when the water is hot and turns Blue when the water is cold.
The clear indication of water temperature, is not only fun to watch but it clearly lets you know when it's hot or cold.
Ideal for kids to know if the water is hot or cold.
Great for parties.
Easy to Install in 5 minutes, no tools required.
Runs on three AG13 batteries (included).