The product has mini built-in generating electricity devices, no need of batteries, as long as the water flow it will give out light, turn off the water, the light goes out immediately. The color changes according to the water temperature When the water temperature is below 31 degrees, the light color is Green. When the water temperature is between 32 to 43 degrees, the right shows Blue. When the water temperature is between 44 to 50 degrees, it will display the red. When the water temperature is higher than 50 degrees, the light flashing red The product has excellent water conservation function, and connected at the top with the water-saving filter The product is externally threaded connector with internally threaded adapter. Adapter can make the product suitable for a variety of faucet interface Please check your water faucet interface . don’t forget install the sealing ring. Quantity delivered: 1 piece Product color: silver Product size: length 58mm outer circle 38mm Net weight:
