color silverMaterial Acrylonitrile Butadiene StyreneFinish Type Chromemodern style1.3 Color Temperature Sensor: Blue - Cool below 88F (31C), Purple - Warm 89-100F (32-38C), Red - Hot 102-113F (39-45C), Flashing Red - Warning Over 113F (45)2. No power supply such as batteries: This LED light is powered by tap water, which is energy-saving and environmentally friendly. Note that the higher the water pressure, the more friction, which means there will be some noise, but don't worry, it won't cause any danger.3. ABS chrome-plated material: excellent corrosion resistance, bright and non-fading, like new 4. EASY TO INSTALL: Attach to any standard overhead shower arm in minutes, no tools required5. Safe to use: This top shower head has passed CE/RoHS and the LED light has a lifespan of up to 6000 hours