The temperature sensing led shower head replaces your standard hose style shower head. Without a single battery, it senses the water temperature and shines the corresponding coloured light  blue is less than 35°c, green is between 35-42°c, red is 43-50°c and if the red light begins to flash the

The temperature sensing led shower head replaces your standard hose style shower head. Without a single battery, it senses the water temperature and shines the corresponding coloured light  blue is less than 35°c, green is between 35-42°c, red is 43-50°c and if the red light begins to flash the temperature is more than 50°c. So you can see the temperature without even touching the water!Product Features:Color: SilverType: Bathing accessoriesMaterial: Stainless steel3 Sprays: spray, Massage, ECO SprayJust connect the LED shower head directly into the shower hose to useNo batteries required