Modified sine wave inverter is designed to invert 12 VDC to 115 VAC. It is 80 to 87% efficient with 2 GFCI Outlet. Measures 4.2 inch height x 9.5 inch width x 15.5 inch length. It has 1800 Watt output rating and 3600 Watt surge rating. Features battery over-voltage and under-voltage protection, over temperature shutdown, automatic overload protection, short-circuit protection and ground fault protection. It is remote on/off capable. Includes remote panel and transfer switch.