1200 Watts of Solar (4 Panels), On Grid Inverter, Racking and cables ready to plugin to grid. Grid Tied plug n play solar (1200W) system. Modular construction enables buying 1 unit at a time. Simple installation with prefabricated parts that assemble on site with ease. Adaptable installation that can be mounted on the roof or on the ground. Quick tilt adjusting mechanism for maximum solar energy production and easy snow removal.