led basin faucet without battery 1,RoHS & CE 2,high quality 3,EM,ODM led basin faucet without battery1,RoHS & CE2,high quality3,EM,ODM 1,As the built-in device generating electricity without the battery and any other power connets to water, LED will emit the light. 2,When water flows down,the LED will light instantly and automatically by the water temperature;A. When the water temperature is ≤29c ...