Echo Valley 4535 Bell Flower Kaleidolight Glass Art, 12 by 12 by 45-Inch, Orange/Red Light detecting sensor in the solar panel automatically turns light on at dusk and off at dawn Dramatic to view at night thanks to myriad of colors produced by the LED light inside the self-contained crackle glass solar cell; Battery included Hand-blown art glass Makes an impressive statement in the yard by day Do not expose to extreme temperatures and bring product inside during the winter