Layered waterfall rock with 120 GPH pump powered by the sun. Comes with 6 inch x 5 inch solar panel with 6 volt rechargeable battery pack. If there is no sunshine, the pump will run from the rechargeable batteries, about three hours on a full charge. Comes with on-off switch. Includes 15' cord so the solar panel can be placed in the sun while the bird bath can be in the shade. Layered Waterfall Rock is dark gray and made of durable resin. Type: Waterers