The item is a practical and novelty 3-color changing LED light round-shaped shower head, which will illuminate after water flows down, no batteries and external power supply needed. Making use of temperature sensor design, the shower head light will change colors according to the water temperature, and the light color’s change can help remind you the water’s temperature. With easy to install and safe to use, it is a wonderful LED water shower head suitable for all standard faucet connectors. Features - LED light color: blue, green and red. - Shell material: durable hard ABS. - Total length: about 220mm; Connector diameter: about 20mm.(fits almost all water faucet connectors). - and Round-shaped Temperature Control 3-Color Silver - No batteries and external power supply required, it will illuminate after water flows down. - The shower head light will change colors according to the water temperature. 1. Water flow becomes Blue when water is cold (temperature below °C). 2. Water flow becomes Green when water is warm (temperature is between °C and 40°C). 3. Water flow becomes Red when water is Hot (temperature above 41°C-45°C). 4. The Red LED light will flash to remind you to avoid being scalded when the water temperature is above 45°C. - Brightness is such enough even no other lighting fixtures need. - Easy to install and safe to use. Package list: 1 * Round Shaped Temperature Control 3-Color Changing LED Light Water Shower Head Shower Faucet Nozzle