Beckett Solar Powered Submersible LED Light Set is powered by the sun. The 2-piece submersible light set illuminates ponds and fountains with 12 bright LEDs that provide 12 lumens of light. The light set includes yard stakes to light up a walkway or landscape. It automatically turns on at night and turns off during the day. The cord length from the solar panel to the light head is 13.5 ft., and the cord length between light heads is approximately 3.5 ft. It comes equipped with solar rechargeable batteries.