Alarm Clock -Coke Green Water Powered Eco-Friendly Hydrodynamic Digital Clock Can Highlights Generic Brand Eco-Friendly Hydrodynamic Coke Green Water Powered Digital Clock Can Description: No battery needed - as long as the cycle with water water and never needs batteries. Eco-friendly - just remove the cap and add water to the container. Multifunction clock - displays time (24 hour display) and date. Clear digital display - suitable for the vision of the elderly and poor. Creative home decoration - suit for living room, bedroom, office, etc. Perfect gift - birthday present, Christmas present, etc. Specification: Material: ABS Size: Beer Bottle - Approx. 60*65*199mm/2.36*2.56*7.83'' Coca-Cola - Approx. 60*64.7*110mm/2.36*2.55*4.33'' Package Include: 1 Piece Water Clock 1 Piece Instruction Manual Note: Add water once, usually can continue to use for 5-7 weeks. If the screen is blurry or not showing when the bottle is filled with water, please pour out all the water and place the product at room temperature for a week, then add water. Please place the products on the desktop or airplane position, avoid the high place. This is not a toy, not drinking, not containing beverages, not suitable for very young children. As different computers display colors differently, the color of the actual item may vary slightly from the above images. There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item.