1.led light faucet without battery 2.color changed when water through or temperature changed 3.easy to install 1.led light faucet without battery ZK-092.color changed when water through or temperature changed 3.easy to installLED LIGHT FAUCET1),no battery ECO-friendly2),install with faucet,make faucet more beautiful3),good structure,guarantee long use time4),The LED color will change gradually ...