The Bedol Water Clock keeps perfect time without batteries or electricity. Just open the fill cap and add water. Cutting-edge technology enables the amazing Bedol Water Clock to generate it own clean energy. Electrodes within the water reservoir convert ions into a current strong enough to power the clock for 3-month or more. A built in memory chip ensures you never need to reset the time while changing the water. Hassle-free alternative energy makes this clock a great green gift. A fool-proof, fun way to decrease your carbon footprint. Great for travel and camping. Don't be caught without a clock the next time the power goes out. Cut down on tangled wires from your desktop. Never make an extra trip to the store for batteries, or find out your batteries have died just when you need them most. The clock has a round, canteen-shaped clock and features a spout at a jaunty angle. It is conveniently sized to fit in your bag or suitcase. This clock is a truly unique accessory for home or office. Very easy-to-set hour and minute time settings. Made of Non-PVC Plastic. Fully Recyclable. The Bedol Water Clock: Time powered by water, another leap forward towards a greener planet. The Bedol Water Clock: Time powered by water, another leap forward towards a greener planet.