This water energy clock LED no need any battery, just fill the bottle on the back of the clock with water, the time and date can be clearly displayed, and it doesn't need to be refilled for weeks. The chemical reaction is mainly a common magnesium-aluminum metal element, does not contain any heavy metals and is harmless to the environment. You can add different kinds of perfume according to your personal preference.

Normal Production Time
10

Product Size
3.5L x 3.25W x 3H

Country of Manufacture
Other/None

Additional Information
Choice of gifts; Light and portable; Large numbers without noise