Features:
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 colour changes according to the water temperature
1. When the water temperature is below 31 degrees, the light color is Green.
2. When the water temperature is between 32 to 43 degrees, the right shows Blue.
3. When the water temperature is between 44 to 50 degrees, it will display the red.
4. When the water temperature is higher than 51 degrees, the light flashing red.
The product has excellent water conservation function, and connected at the top with the water-saving filter.
It is externally threaded connector with internally threaded adapter.
Allows for nearly universal use on most faucets.

Specification:
Material: ABS Plastic
Colour: as picture show
Lights Colour: green,blue,red
Product Size: 38x58mm
Outer diameter:
internally threaded adapter: 22mm
externally threaded connector: 24mm

Package Content:
2 x Water Faucet
2 x internally threaded adapter
2 x externally threaded connector