Features: single colors 1.No battery is needed 2.When water flows down,the LED will light instantly and automatically 3.Bright is such enough even no other lighting fixtures need. Multiple color 1.No battery is needed 2.When water flows down,the LED will showe alternately and automatically with Green,Blue and Red color 3.Brightness is such enough even no other lighting fixtures need 4.The change of LED color will not be subject to the temperature of water RGB color (temperature detectable) 1.No battery is needed 2.When water flows down,the LED will light instantly and automatically A.When water temperature is < 25 degrees,green color will show automatically B.When water temperature is between 26-35 degrees,blue color will showe automatically C.When water temperature is above 36-45 degrees,red color will show automatically D.When water temperature is above 46 degrees,red and blue color will flash immediately and simultaneously,which warns you should be carful 3.This item will change its color by detecting water temperature. LED Qty: 8PCS LED lighting color: Blue/Green/Red (Temperature detectable) Casing color: metallic color Casing material: ABS Surface treatment: electroplating Maximum size: 230 x 100 x 60mm Weight: 0.38kg (net weight of LED shower) Certificate:CE and ROHS