Serena Muro Rechargeable Wall Fountain Includes the Serena Muro Wall Fountain and a long-lasting rechargeable battery. Powered by a high capacity rechargeable battery located in a hidden compartment. It uses C-Last Technology so your fountain can be used day or night in sunny or overcast weather. Serena Fountains can be placed in any location. There are no cords to hide or bury in the ground. The rechargeable technology lasts for three months on a single charge and eliminates the need for solar panels, which means no direct sunlight required. This allows the fountain to operate on a cloudy day, under a patio overhang, nighttime, or indoors. Serena Fountains work on demand with the press of a button. The programmable timer can be set to automatically turn the fountain off, with the set it and forget it feature. Serena Fountains use a new, patent pending, high capacity BA-152 rechargeable battery providing upt o 2-months operation with average use.