Model Number: KA0221 Key Specifications/Special Features: DescriptionFeatures:1. Brand new and high quality.2. When water flows down, the LED will light instantly and automatically.3. The color's change reminds you the water's temperature.4. Offer you a delight & wonderful experience.5. No batteries no wire needed.6. Easy to install.7. Ideal for bathroom or kitchen to make it fantastic.Color:1. When water temperature is < 31 Degree Celsius, green color will show automatically.2. When water temperature is between 32-43 Degree Celsius, blue color will show automatically.3. When water temperature is between 44-50 Degree Celsius, red color will show automatically.4. When water temperature is above 51 Degree Celsius, red color will flash immediately.Package contents:1 x LED shower head