Feature: 1. Water Powered: Simply fill the clock with water, and it requires no batteries. Just fill the bottle on the back of the clock, and enjoy a clear display of time. You only need to change the water every few weeks. 2. Eco Conscious Clock: The digital alarm clock does not require batteries and operates on electricity generated by water, ensuring there's nothing harmful to the environment. 3. Quiet Running: Enjoy peace and tranquility with clock, which runs silently and won't disrupt your daily activities or sleep, whether in a bedroom, office, or living room. 4. Long Lasting: Built to withstand the test of time, it features a sturdy structure that ensures its longevity and performance. This dependable clock combines practicality with aesthetics. 5. Clear Display: As this LED digital clock can clearly display the current time for your work and life, it is a dependable assistant for your life and work, which is very practical. Specification: Item Type: Water Powered Clock Material: ABS Weight: Approx. 112g / 4oz Size: 8.5cm / 3.3in. Package List: 1 x Water Powered Clock Note: Please add half spoon of salt (about 2-3g) while opening the lid to fill with water.