Solar-Powered Fountain Pump, 1.4W Concerning this item: Improved Solar-Powered 1.4W: With a spray height of 50–70 cm, the solar bird bath fountain turns on automatically in just 3 seconds when exposed to direct sunlight. No battery or electricity is required. The main benefit is that your garden will be a haven for hummingbirds! The pump should remain in the center of the bird bath.