This product is the perfect device to dispense water right from a gallon bottle. It is built with a rechargeable 1200mAh battery with enough power to last you 30-40 days with a single charge. This device is highly compatible and designed to fit into almost any and every bottle. Furthermore, it is easy to use as all you have to do is press a button to pull out the water and press another to stop it. Hence, it is the perfect device for places like home and office.