Hardwired inverter is designed to invert 12 VDC to 120 VAC. It is 85 to 92% efficient. Measures 7.9 inch height x 11.5 inch width x 13.2 inch length. Features single input/dual output over voltage and under voltage protection, over-temperature protection, overload protection and short circuit protection. Includes transfer switch and battery temperature sensor. It gives filtered modified sine wave output.