From low-voltage, to no voltage! Fully charged, the Little Giant Solar LED Egglite Kit can run 2 Egglites for up to 20 hours entirely off of the power of Sunlight! This unit comes with a Solar Panel, a 10-foot power cord, a 3-port electrical tee, and 2 White LED Egglites. Simply poisition the Solar Panel to receive direct daily sunlight, set the 2 Egglites inside the pond, underwater, or outside the pond, flip the switch on the panel, and provide light without paying a cent for electricity! One Little Giant Solar LED Egglite Kit is capable of running up to 6 Egglites at a time, and regular Little Giant LED Egglites can be purchased to add additional white or colored lights to the setup.