True sine wave inverter is designed to invert 12 VDC to 120 VAC. It is 90% efficient with 2 GFCI Outlet. Measures 3.9 inch height x 11.8 inch width x 13.7 inch length. It has 1800 Watt output rating and 3000 Watt surge rating. Features over-voltage and under-voltage protection, over temperature shutdown, automatic overload protection, short-circuit protection and ground fault protection. Includes remote panel and transfer switch. It is remote on/off capable.