Specifications: Body material: ABS Color emitting LED: 3 colors Inner diameter: 1.5cm Outer wire diameter: 2.2cm Item size: 3.5 x 2.4 x 2.4cm Item weight: 22g < p>Function descriptions: LED light color: Blue/Green/Red (temperature detectable) 1. When the water flows down, the LED will light up immediately and automatically: A. When the water temperature is below 32 degrees, the blue color will be displayed automatically; B. When the water temperature is between 33 and 41 degrees, the GREEN color will be displayed automatically. C. When the water temperature is between 42 and 45 degrees, the ROLLER color will appear automatically. D. When the water temperature is over 46 degrees, the RED color will FLASH immediately. WIDE APPLICATIONS: This small device is suitable for most faucets with internal or external threads. 3 COLOR CHANGES ACCORDING TO TEMPERATURE: The blue color will appear when the water temperature is ?32 degrees. Green color will appear when the water temperature is