Deck Mounted Water Power LED Sink Faucet (Chrome Finish)Advantages 1 No need for any battery or electronic connection; 2 There is a micromotor inside the faucet and it can supply power to the led light forever when water flows. 3 Self design led part, have a patent, and tested by the market that it is with longer lifetime and more brightness. Working The faucets can change color with different temperatures automatically when water flows; Led turns blue when under28C; Turn green when between 28C 38C; Turns