Grid-tie Inverter, 1000 Watts, MPPT Pure Sine (Grid Tie, On Grid, On-Grid, 1KW system, solar panel) Plug-n-Play Grid-tie, no hard wiring MPPT technology for more efficient use of panels Pure Sine Wave, auto-synchronize with grid's power Auto-Fan, low noise, compact 4.7 lbs only. Manufacturer: SolarTorrent Island Effects Protection. Stackable for highe wattages. Use it with our 90W or 130W panels