LED temperature control faucet nozzle made of ABS material. Water flow power generation, no extra battery or power supply required. Changes light color according to water temperature: green for temperatures ≤32°C, blue for 33-41°C, and red for 42-45°C. Easy to install with a rotary interface and features powerful water discharge. Suitable for home kitchen, bathroom, and other places with faucets for daily hand washing, washing vegetables, and cleaning.