The water color is changed by the water temperature. No batteries ,no wires needed . RGB color

CHT-1125 RGB Color Temperature detectable LED faucet

 Temperature-sensitive LED faucet

1. No batteries, no wires needed, built-in mini hydroelectric generator,when water flows the LED lights up instantly and automatically.2.When water flows the led lights up instantly.Lights up:  Blue when water temp is below 30° C  Green when water temp is between 31° C - 41° C  Red when water temp is between 42° C - 45° C  Red flashing when water temp is above 45° CChanges color by detecting water temperature3. Light goes off when water source is turned off

RGB Color Temperature detectable LED faucet