Spcification:GR-F002B(CE,RoHS certificate available) Led quantity:4pcs LED Colour:Blue,Green,Red(Three colours) Material:Zinc Alloy Size:58MM*40MM*40MM Weight(N.W):150g Regular Working hydraulic pressure:0.1-0.4MPA Regular Working water flow:100-200kg/hour Products Feature: 1.The product buit-in device for mini generating electricity, illuminated by water without battery,the light will go out when the water was turned off. The illuminated color will change according to the water temperature. A.Between 0 and 29 celsius degree, the LED faucet light will emit Green colour; B.Between 30 and 38 celsius degree, the LED faucet light is Blue clour; C. Above 39celsius degree, the LED faucet light will emit Red color; 2. Our products have excellent function in the area of water saving. In the connection of the top,setting a water saving and filter systems.