Sol Mar Crackled Solar Color Changing Lights - Size 4 Pack These lights have a 3.5" diameter glass ball with a spectacular crackled finish & super bright LED technology that changes color from red to blue to green to yellow, cyan, purple & white! Features solar panel that harnesses the sun's energy, on-board rechargeable battery & stainless steel rod. Runs up to 8 hours per charge. 31"L x 3.5" dia. 27" high.