This is a LED Faucet Light, which is a warning device to protect you from scalding by testing stream temperature.
When the water temperature is below 30 degrees, green lights show, 30 degrees to 35 degrees between shows blue, 35 degrees to 45 degrees betwwen shows red. When the water temperature is higher than 45 degreeds, Red light will flash to remind you be careful the hot water
It not only also add fun to your bathroom,but also encourage the kids wash hand more often, even adult wash hand with longer time, so it also bring you and your family health
Two Universal adapter included.(fits most standard taps,which sizes are 20mm or 24mm,itself is 21mm)
Water-saveing design, save water 35% than traditional faucet.
Size: 36*55mm ( not including the joint)
Battery: 2 button Batteries(pre-installed)
Body Color: Sliver

Package included

LED Faucet Light x 1
Universal Adaptor x 2
User Manual x 1