Description

Water clocks don't need batteries. As long as you fill the back of the clock with water, it can display the time continuously and you don't need to change the water for several weeks. water energy clock

Electricity is generated by chemical reactions of water. The chemical reaction elements are usually magnesium, aluminum metal elements, do not contain heavy metals and are environmentally friendly. water powered clock

You can use the product normally by simply adding pure water. When the product screen is dim or disappears, fill the container with liquids such as water or other liquids (except corrosive liquids) until the positive and negative electrodes in the container are completely submerged. water alarm clock

You can also make different types of perfumes according to your personal taste. water display clock

Small LED Digital Clock Battery-Free Water Clock