SonneLITER offers breakthrough technology in that this is the first photovoltaic powered luminaire that can run a T6 metal halide lamp! Now you can get the superior color rendering and light source control of T6 metal halide from a solar powered light fixture. SonneLITER comes with up to two solar panels and marine grade sealed-gel batteries, and can be configured to operate in almost any location. It includes the ingenious progammable "Smart Controller" which precisely regulates energy flow between solar panels, batteries and lamping. Available with 18W to 32W compact fluorescent or 35W T6 metal halide lamps. Environmentally friendly and a cinch to install. No cabling, no trenching, no wiring, no electric bills! SonneLITER is UL listed and carries a 20 year warranty on power output of solar panels