This solar on demand fountain can operate on solar and battery power when set to the on position! In good sunlight conditions the pump will be powered by solar energy. In addition the battery pack will be recharged via solar energy. If it is a cloudy day or night time the battery will automatically run the fountain. If fully charged the batteries will power the fountain for up to 4 hours. When the batteries are depleted the system will automatically switch to be powered by the solar panel and the fountain will resume running when the sun come out.
Specs 20? W x 20? D x 36? H; weighs 22lbs. Top tier has a 12? diameter and is 2.5? deep. The larger bowl has a 20? diameter and is 5? Deep. Needs direct sunlight to run during day and store energy in battery pack. Fully stored energy in battery pack will run pump for up to 4 hours. Needs 1-2 sunny days to fully charge the battery. Made from resin 1 Year Manufacturer's Warranty. Solar panel and pump included. 16' cord from solar panel to pump. LED lights can be placed in either bowl accenting the fountain. During freezing weather the fountain needs to be brought indoors; or completely emptied dried out and well covered.