Overview: When water is hot LED turns red & when water is cold it turns blue Brand new & high quality, mainly be used in the bathroom Designed by use of the electric conductivity of water This is sensitive faucet light designed to provide a visual indication of water temperature 0-25°C LED turns Green 25°C
- 35°C LED turns Blue 35°C
- 45°C LED turns Red LED Red flash when higher than 45°C Specification:3.35in 1.38in 1.38in