Description: Needn't Battery - as long as the cycle with water and never needs batteries. Eco-Friendly - just remove the and add water to the container. Multi-function Clock - show time (24 hours display) and date . Clear digital display - suitable for the elderly and poor vision. Creative Home Decoration - Suit for living room, bedroom, office, etc. Perfect Gift - Birthday gift , Christmas gift, etc. Specification: Material: ABS Size: Beer Bottle - Approx. 60*65*199mm/2.36*2.56*7.83'' Coke Can - Approx. 60*64.7*110mm/2.36*2.55*4.33'' Package Includes: 1 Piece Water Clock 1 Piece Instructional Manual Note: Add water one time, usually can continue to use for 5-7 weeks. If the screen was fuzzy or not display when the bottle is full of water, please pour all the water away and place product at room temperature for a week, then re add water. Please place products on desktop or plane position, avoid high place. This is not a toy, don't drink, don't contain drinks, not suit for very young kids. 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.