Pure sine wave inverter is designed to invert 12 VDC to 120 VAC at 90% efficiency. Measures 7.75 inch height x 13.5 inch width x 15.25 inch length. It has 3000 Watt output rating and 6000 Watt surge rating. Features split phase input/dual output, dual input/dual output, battery over-voltage and under-voltage protection, over-temperature shutdown protection, automatic overload protection, power factor corrected and short-circuit protection. Includes remote battery sensor, built-in transfer switch and 3-stage charger.