●It is a magic high-technology product, also environmental and energy-saving.

●It can run only depending on the power generated by any little liquid such as water, juice, tea, coffee, etc, no need of any battery.

●The life is 2 years. The liquid should be refilled once in 50 days.

●A kind of environmental CLOCK with a mini key buckle. It can be used as commercial gift or present. You can print LOGO on the surface if necessary.